input: Below is an instruction that describes a task. Write a response that appropriately completes the request.
  
  ### Instruction:
  Create a BPMN diagram for FOMDES process 1 using Python and the bpmn_pgv library. The diagram should include clusters for Secretaría Ejecutiva, Presidencia, and Presupuesto/Administración, with specific tasks and edges defined within each cluster. Additionally, include nodes for SIGEFOMDES Administración and SISAC, and connect them to the appropriate clusters using dashed edges. Finally, save the diagram as a PNG file named "proc4.png" and a DOT file named "proc4.dot".
  
  ### Input:
  
  
  ### Output:
  #!/usr/bin/env python
  #  -*- coding: utf-8 -*-
  
  """
  BPMN diagram for FOMDES process 1
  """
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  
  from bpmn_pgv import *
  import pygraphviz as pgv
  
  __author__ = 'mapologo'
  
  PROCESS_LABEL = "Liquidación de Créditos"
  # A graph for FOMDES processes
  F = pgv.AGraph(strict=False, directed=True)
  
  F.graph_attr.update(label="", rankdir="TB", splines="ortho", labelloc="b",
                      size="8, 7.5", forcelabels="true", ranksep="0.25", fontname="Liberation Sans Narrow Condensed")
  F.node_attr.update(fontname="Liberation Sans Narrow Condensed")
  F.edge_attr.update(fontname="Liberation Sans Narrow Condensed", fontsize="10")
  
  se_cluster = {"se7": ("Recibir el documento protocolizado", "start"),
                "se8": ("Revisar el documento protocolizado", "human"),
                "se9": ("", "end")}
  
  se_edges = {"se7": {"se8": {}},
              "se8": {"se9": {"style": "invis"}}}
  
  SE = add_cluster(F, "se", "Secretaría Ejecutiva", se_cluster, se_edges)
  
  p_cluster = {"p1": ("Firma del cheque", "human"),
               "p2": ("Entregar cheque a beneficiario", "message")}
  
  p_edges = {"p1":{"p2": {}}}
  
  P = add_cluster(F, "p", "Presidencia", p_cluster, p_edges)
  
  pr_cluster = {"pr2": ("Verificar documentación legal y elaborar certificación de disponibilidad", "human"),
                "pr3": ("Crear las cuentas por cobrar", "human"),
                "pr4": ("Generar tablas de amortización", "human"),
                "pr5": ("Imprimir y firmar orden de liquidación y cheque", "human")}
  
  pr_edges = {"pr2": {"pr3": {}},
              "pr3": {"pr4": {}},
              "pr4": {"pr5": {}}}
  
  PR = add_cluster(F, "pr", "Presupuesto/Administración", pr_cluster, pr_edges)
  
  F.add_node("SIGEFOMDES Administración", image=IMAGE_PATH + "database.png", shape="plaintext", label="", xlabel="SIGEFOMDES Administración")
  F.add_node("SISAC", image=IMAGE_PATH + "database.png", shape="plaintext", label="", xlabel="SISAC")
  
  global_edges = {"Beneficiario":  {"se7": {"style": "dashed"}},
                  "se8": {"pr2": {"style": "dashed"}},
                  "pr3": {"SIGEFOMDES Administración": {"style": "dashed"}},
                  "pr4": {"SISAC": {"style": "dashed"}},
                  "pr5": {"p1": {"style": "dashed"}},
                  "p2": {"se9": {"style": "dashed"}, "Beneficiario": {"style": "dashed"}}}
  
  add_edges(F, global_edges)
  
  F.draw("proc4.png", prog='dot')
  F.write("proc4.dot")
  
  
  def create_bpmn_diagram(process: str) -> None:
      """
      Create a BPMN diagram for a given FOMDES process using the bpmn_pgv library. The diagram should include clusters for Secretaría Ejecutiva, Presidencia, and Presupuesto/Administración, with specific tasks and edges defined within each cluster. Additionally, include nodes for SIGEFOMDES Administración and SISAC, and connect them to the appropriate clusters using dashed edges. Finally, save the diagram as a PNG file named "proc4.png" and a DOT file named "proc4.dot".
  
      >>> create_bpmn_diagram("Liquidación de Créditos")
      # Creates a BPMN diagram for the process 'Liquidación de Créditos' and saves it as 'proc4.png' and 'proc4.dot'
      """
      pass
  
  
  def save_diagram(filename: str) -> None:
      """
      Save the current BPMN diagram as a PNG and a DOT file with the specified filename.
  
      >>> save_diagram("proc4")
      # Saves the current BPMN diagram as 'proc4.png' and 'proc4.dot'
      """
      pass
output:     
      F = pgv.AGraph(strict=False, directed=True)
  
      F.graph_attr.update(label="", rankdir="TB", splines="ortho", labelloc="b",
                          size="8, 7.5", forcelabels="true", ranksep="0.25", fontname="Liberation Sans Narrow Condensed")
      F.node_attr.update(fontname="Liberation Sans Narrow Condensed")
      F.edge_attr.update(fontname="Liberation Sans Narrow Condensed", fontsize="10")
  
      se_cluster = {"se7": ("Recibir el documento protocolizado", "start"),
                    "se8": ("Revisar el documento protocolizado", "human"),
                    "se9": ("", "end")}
  
      se_edges = {"se7": {"se8": {}},
                  "se8": {"se9": {"style": "invis"}}}
  
      SE = add_cluster(F, "se", "Secretaría Ejecutiva", se_cluster, se_edges)
  
      p_cluster = {"p1": ("Firma del cheque", "human"),
                   "p2": ("Entregar cheque a beneficiario", "message")}
  
      p_edges = {"p1":{"p2": {}}}
  
      P = add_cluster(F, "p", "Presidencia", p_cluster, p_edges)
  
      pr_cluster = {"pr2": ("Verificar documentación legal y elaborar certificación de disponibilidad", "human"),
                    "pr3": ("Crear las cuentas por cobrar", "human"),
                    "pr4": ("Generar tablas de amortización", "human"),
                    "pr5": ("Imprimir y firmar orden de liquidación y cheque", "human")}
  
      pr_edges = {"pr2": {"pr3": {}},
                  "pr3": {"pr4": {}},
                  "pr4": {"pr5": {}}}
  
      PR = add_cluster(F, "pr", "Presupuesto/Administración", pr_cluster, pr_edges)
  
      F.add_node("SIGEFOMDES Administración", image=IMAGE_PATH + "database.png", shape="plaintext", label="", xlabel="SIGEFOMDES Administración")
      F.add_node("SISAC", image=IMAGE_PATH + "database.png", shape="plaintext", label="", xlabel="SISAC")
  
      global_edges = {"Beneficiario":  {"se7": {"style": "dashed"}},
                      "se8": {"pr2": {"style": "dashed"}},
                      "pr3": {"SIGEFOMDES Administración": {"style": "dashed"}},
                      "pr4": {"SISAC": {"style": "dashed"}},
                      "pr5": {"p1": {"style": "dashed"}},
                      "p2": {"se9": {"style": "dashed"}, "Beneficiario": {"style": "dashed"}}}
  
      add_edges(F, global_edges)
  
      F.draw(f"{filename}.png", prog='dot')
      F.write(f"{filename}.dot")
  