C[C@@H]1CN([C@H](C)CO)C(=O)c2cc(NC(=O)Cc3cn(C)c4ccccc34)ccc2O[C@H]1CN(C)S(=O)(=O)c1ccc(F)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?