Cc1ccc(S(=O)(=O)N2C[C@@H](C)[C@]3(C2)[C@H](O)[C@H](OC(=O)Nc2cccs2)C[C@H]2C(=O)N(c4ccccc4)C(=O)[C@H]23)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?