CC(c1ccco1)N(C(=O)c1ccccc1NS(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)c1ccccn1
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?