COc1ccc(-c2ccc(NS(=O)(=O)c3cc([N+](=O)[O-])c(C)c([N+](=O)[O-])c3)cc2)nn1
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?