CC[C@@]12C(=O)N(c3cccc(C)c3)C(=O)N1[C@H](c1ccc(OC)cc1)[C@@H]1C(=O)N(C(C)(C)C)C(=O)[C@@H]12
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?