Cc1cc(C)nc(NS(=O)(=O)c2ccc(Nc3nnc(/C=C/c4c(O)ccc5ccccc45)c(=O)n3N)cc2)n1
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?