COc1ccc(C2=C(C)C(=O)N(Cc3ccc(C(=O)NC(C)c4ccccc4)cc3)S2(=O)=O)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?