Cc1ccc(S(=O)(=O)N2[C@H](c3cccc(C)c3)CC=C(C(=O)O)[C@@H]2c2ccc(F)cc2)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?