COC(=O)c1c(OC)cc2cc3c(c(O)c2c1C)C(=O)C1(O)C(=O)C=C(OC)C(OC(=O)CC(C)N)=C1C3=O.Cl
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?