O=C(c1ccc(C(F)(F)F)cc1)N1CCC(=O)N([C@H](COCc2ccc(Cl)cc2)Cc2ccccc2)CC1
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?