C[C@@H]1CN([C@H](C)CO)S(=O)(=O)c2ccc(-c3ccc(C#N)cc3)cc2O[C@H]1CN(C)C(=O)Nc1cc(F)ccc1F
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?