O=C(O)c1ccccc1NS(=O)(=O)c1ccc(NN=C(S)Nc2ccc(OC(F)F)cc2)c([N+](=O)[O-])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?