CCOc1ccc(CCn2c3c(c(=O)[nH]c2=O)C(NC(=O)c2cccc(F)c2)(C(F)(F)F)C(=O)N3)cc1OCC
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?