code: def md5_hash(string):
      """tbd"""
      md5 = hashlib.md5(string.encode("utf-8")).hexdigest()
      return int(md5, 16)
  
imports: import numpy
  import rdkit
  from rdkit import Chem
  from rdkit.Chem import AllChem
  import rdkit.Chem.rdPartialCharges
  from ogb.utils.features import allowable_features, atom_to_feature_vector, atom_feature_vector_to_dict, bond_feature_vector_to_dict
  from local_feature import bond_to_feature_vector, get_bond_feature_dims
  from copy import deepcopy
  import hashlib
label_desc: Use image node_id 7 for calling a global function with example usage: md5_hash(string) and returns: int