CC(C)C(NS(=O)(=O)c1ccc2c(c1)oc(=O)n2C)C(=O)N1CCN(c2cccc(Cl)c2)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?