Cc1ccc([C@H]2C[C@@H](O)[C@H](n3cc(-c4ccc(F)cc4)nn3)CN2C(=O)c2cccs2)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?