COc1ccc(NC(=O)[C@H]2O[C@@H]3OC(C)(C)O[C@@H]3[C@H]3OC(C)(C)O[C@@H]23)c(OC)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?