CN(C)S(=O)(=O)c1ccc(NC(=O)CNc2cc(S(=O)(=O)N3CCCC3)ccc2OCC(F)(F)F)cc1
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?