CCCCCCSc1ccc([C@H]2N[C@@](CC(C)C)(C(=O)OC)[C@H]3C(=O)N(C)C(=O)[C@@H]23)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?