Cc1c(Cl)cnc(NC(=O)COC(=O)c2cccc(S(=O)(=O)N3CCc4ccccc4C3)c2)c1Cl
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?