CC(C)(C)[C@@H]1COC(=O)[C@H](Cc2ccc(F)cc2)C/C=C\C[C@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)N1
Hydrogen bond acceptor is the chemical compound which contains the lone electron pairs that participate in the hydrogen bond formation. How many hydrogen bond acceptors does the molecule contain?