C[C@@H]1C[C@H]2[C@H]3C[C@@H](F)C4=CC(=O)C=C[C@]4(C)[C@@]3(Cl)[C@@H](O)C[C@@]2(C)[C@@H]1C(=O)COC(=O)C(C)(C)C
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?