CCc1ccc(NC(=O)c2ccc3c(O)c(S(=O)(=O)c4ccc(Cl)cc4)c(=O)[nH]c3c2)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?