Cc1ccc(S(=O)(=O)N2CCN(C(=O)COC(=O)COc3cccc(C(F)(F)F)c3)CC2)c(C)c1
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?