CCOc1ccc([C@@H]2CC=C(C(=O)O)[C@H](c3cccc(Cl)c3)N2S(=O)(=O)c2ccc(C)cc2)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?