code: def generate_molecule_object_dict(source, format, values):
      
      m = {"uuid": str(uuid.uuid4()), "source": source, "format": format}
      if values:
          m["values"] = values
      return m
docs: Generate a dictionary that represents a Squonk MoleculeObject when
      written as JSON
  
      :param source: Molecules in molfile or smiles format
      :param format: The format of the molecule. Either 'mol' or 'smiles'
      :param values: Optional dict of values (properties) for the MoleculeObject