COC(=O)[C@@]1(Cc2ccccc2)[C@H]2c3cc(C(=O)N(C)C)n(Cc4ccc(OC)c(OC)c4)c3C[C@H]2CN1C(=O)c1ccccc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?