class_docstr: The method base class for graph generation. To write a new graph generation method, create a new class
  inheriting from this class and implement the functions.
docstr: Running molecule optimization for constrained optimization task.
docstr_tok: ["Running","molecule","optimization","for","constrained","optimization","task","."]
code: def run_const_prop_opt(self, *args, **kwargs):
      r"""
      Running molecule optimization for constrained optimization task.
      """
  
      raise NotImplementedError(
          "The function run_const_prop_opt is not implemented!"
      )
  
label_desc: Use image node_id 6 for calling the Generator obj's underlying member method code with example usage: obj.run_const_prop_opt() without return types