COc1ccc(S(=O)(=O)Nc2cccc3c2O[C@H](CN(C)S(=O)(=O)c2ccc(F)cc2)[C@H](C)CN([C@H](C)CO)C3=O)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?