C=CC[C@@H](CC(=O)N(CCO)Cc1ccccc1)C(=O)N[C@H](COC(=O)[C@@H](CC=C)Cc1ccc(F)cc1)Cc1c[nH]c2ccccc12
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?