O=C(c1c(Cl)cc(Cl)cc1Cl)N(Cc1cccnc1)C(=S)N(Cc1cccnc1)C(=O)c1c(Cl)cc(Cl)cc1Cl
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?