CN1[C@H]2CC[C@@H]1CC(OC(=O)[C@@H](CO)c1ccccc1)C2.CN1[C@H]2CC[C@@H]1CC(OC(=O)[C@@H](CO)c1ccccc1)C2.O.O=S(=O)(O)O
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?