CC(C)(C)NC(=O)C1N(c2cccnc2)C(=O)C2C(C(=O)Nc3ccccc3F)C3(C)C=CC21O3
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?