Cn1c(=O)c2cc(S(=O)(=O)NC(C(=O)Nc3cccc(F)c3)c3ccccc3)ccc2n(C)c1=O
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?