CCN(CC(=O)Nc1ccc(NC(C)=O)cc1)C(=O)/C=C/c1c(C)nn(-c2ccc(F)cc2)c1C
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?