CCC1=C2CC[C@H]3C(=O)N(CC)C(=O)[C@H]3[C@H]2[C@@]2(Cc3ccccc3)/C(=N/Cc3ccccc3)OC(=O)N2C1=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?