COc1cccc(-c2cccc(-c3nc(C(=O)NCc4ccc5c(c4)OCO5)cc4c3[C@H](CCO)N([S+]([O-])C(C)(C)C)C4)c2)c1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?