COc1ccc(Cl)cc1NC(=O)[C@H]1O[C@@H]2OC(C)(C)O[C@@H]2[C@H]2OC(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?