O=C(CSc1nc(O)c2c(C(F)(F)F)cc(-c3cccs3)nc2n1)Nc1c(F)c(F)c(F)c(F)c1F
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?