Cc1ccc2sc(N(CCCN(C)C)C(=O)c3ccc(S(=O)(=O)N(C)Cc4ccccc4)cc3)nc2c1C.Cl
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?