C=CCC[C@H](Cc1ccc(F)cc1)C(=O)OC[C@@H](NC(=O)[C@@H](CC=C)CC(=O)N[C@@H](CO)Cc1ccccc1)C(C)(C)C
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?