C/N=C1/N(C)C[C@@H]2[C@@H]3C(=O)N(Cc4ccccc4)C(=O)[C@@H]3[C@](Cc3ccccc3)(C(=O)OC)N12.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?