C/C(CC(=O)Nc1ccc(NC(=O)/C(C)=N/NS(=O)(=O)c2ccc(C)cc2)cc1)=N\NS(=O)(=O)c1ccc(C)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?