CCN(CC)S(=O)(=O)c1ccc(C)c(NC(=O)COC(=O)[C@@H]2CCCN2C(=O)c2cccs2)c1
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?