COc1ccccc1CNC(=O)C1CCCN(S(=O)(=O)c2ccc3c(c2)C(C)(C)C(=O)N3C)C1
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?