O=C(OC(c1ccccc1)c1ccccc1)[C@@H]1[C@@H]2C(=O)N(c3cccc(F)c3)C(=O)[C@@H]2[C@H]2C=Cc3ccccc3N12
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?