COC(=O)c1c(C)ccc2c(O)c3c(cc12)C(=O)c1c2c(cc(O)c1C3=O)C1(C)OC(C)(O2)C(O)C(N(C)C)C1O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?