Cc1ccc(C(=O)C2C(c3cccc([N+](=O)[O-])c3)C3CSCN3[C@@]23C(=O)Nc2ccc(C)cc23)cc1
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?