CCCN(CCC)C(=O)c1cc([N+](=O)[O-])cc2c1-c1ccc([N+](=O)[O-])cc1C2=C(C#N)C#N
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?