C[C@H]1CN([C@H](C)CO)C(=O)c2cc(-c3cccc(C(=O)N(C)C)c3)cnc2O[C@H]1CN(C)S(=O)(=O)c1cccc(F)c1
The donor in a hydrogen bond is usually a strongly electronegative atom such as N, O, or F that is covalently bonded to a hydrogen bond. How many hydrogen bond donors does the molecule have?