CCCN(CCC)C(=O)Cn1c(=O)n(Cc2ccc(C(=O)NCCc3ccc(Cl)cc3)cc2)c(=O)c2ccccc21
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?