code: def get_smiles(mol):
      return Chem.MolToSmiles(mol, kekuleSmiles=True)
  
imports: import rdkit
  import rdkit.Chem
  from scipy.sparse import csr_matrix
  from scipy.sparse.csgraph import minimum_spanning_tree
  from collections import defaultdict
  from rdkit.Chem.EnumerateStereoisomers import EnumerateStereoisomers, StereoEnumerationOptions
  from .vocab import Vocab
label_desc: Use image node_id 3 for calling a global function with example usage: get_smiles(mol) and returns: Chem