O=C(C1=NN[C@@H]2C(=O)N(c3ccccc3C(F)(F)F)C(=O)[C@H]12)C(c1ccccc1)c1ccccc1
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?