CCCCCCSc1ccc([C@@H]2[C@H]3C(=O)N(CC)C(=O)[C@H]3[C@]3(C(=O)OC)CCCN23)cc1.O=C(O)C(F)(F)F
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?