Cc1ccc(C2=NS(=O)(=O)N(C)C(C(=O)Nc3cc(C)n(CC(=O)N4CCCCC4C)n3)=C2)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?