Cc1cccc(N2CCN(S(=O)(=O)c3cc(C(=O)Nc4ccc(Oc5ccccc5)cc4)ccc3F)CC2)c1C
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?