code: def ring_bond_equal(b1, b2, reverse=False):
      b1 = (b1.GetBeginAtom(), b1.GetEndAtom())
      if reverse:
          b2 = (b2.GetEndAtom(), b2.GetBeginAtom())
      else:
          b2 = (b2.GetBeginAtom(), b2.GetEndAtom())
      return atom_equal(b1[0], b2[0]) and atom_equal(b1[1], b2[1])
  
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 11 for calling a global function with example usage: ring_bond_equal(b1, b2, reverse) and returns: unknown