COc1ccc(N2CC(C(=O)N3CCN(S(=O)(=O)c4ccc(F)c(F)c4)CC3)CC2=O)c(OC)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?