CC1(c2ccccc2)NC(=O)N(CC(=O)Nc2ccc(Cl)c(S(=O)(=O)N3CCCCC3)c2)C1=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?