CCN(CC)C(=O)C1CCCN(c2ccc([N+](=O)[O-])cc2/C=N/NC(=O)c2cccc([N+](=O)[O-])c2)C1
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?