COc1ccccc1NS(=O)(=O)c1cc(NC(=O)Cn2cnc3c2c(=O)n(C)c(=O)n3C)ccc1C
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?