COc1ccc([C@@H]2CC=C(C(=O)O)[C@H](c3ccccc3F)N2S(=O)(=O)c2ccccc2C)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?