CCN(CC)S(=O)(=O)c1ccc(C(=O)/C=C/c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)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?