Cc1cc(NS(=O)(=O)c2ccc(NC(=O)COC(=O)c3cccc4c(=O)c5ccccc5[nH]c34)cc2)no1
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?