CC(C)c1ccc(Nc2nnc(SCC(=O)Nc3ncc(S(=O)(=O)c4ccc([N+](=O)[O-])cc4)s3)s2)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?