C[C@@H]1CN([C@H](C)CO)C(=O)Cc2cc(NS(=O)(=O)c3ccc(F)cc3)ccc2O[C@H]1CN(C)Cc1ccc(C(=O)O)cc1
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?