O=C(OC(c1ccc(NS(=O)(=O)c2ccccc2)cc1)(C(F)(F)F)C(F)(F)F)c1ccc([N+](=O)[O-])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?