CS(=O)(=O)c1ccc2nc(NC(=O)c3cccc(NS(=O)(=O)c4ccc(F)c(F)c4)c3)sc2c1
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?