CCCCCCC(=O)C/C(CCC(=O)N(Cc1ccccc1)Cc1ccccc1)=N\Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
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?