C[C@@]12CC[C@@H]3c4ccc(O)cc4C[C@H](CCCCCCCCC[S+]([O-])CCCC(F)(F)C(F)(F)F)[C@H]3[C@@H]1CC[C@@H]2O
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?