Cc1ccc(/C(O)=C(/C([S-])=Nc2ccc(SC(F)F)cc2)[n+]2ccccc2)cc1[N+](=O)[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?