O=C1N[C@H](Cc2ccccc2)COC(=O)[C@@H](Cc2ccc(F)cc2)CC/C=C/C[C@H]1CC(=O)N(CCO)Cc1ccccc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?