CC1OC(OCCCNC(=O)O[C@@H](c2ccccc2)[C@@H]2O[C@@]3(C)CCC[C@@H]2O3)C(O)CC1O
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?