CS(=O)(=O)O.O=C1c2cccc3cc([N+](=O)[O-])cc(c23)C(=O)N1CCCN1CCN(CCCNc2ccc3ncn4c5ccccc5c(=O)c2c34)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?