Cn1c(CNC(=O)c2ccc(Cl)c(Cl)c2)nnc1SCC(=O)Nc1sc2c(c1C#N)CCCC2
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?