O=C(O)C(F)(F)F.O=C1C(Cc2ccccc2)Nc2ncnc(N3CCN(c4ccccc4)CC3)c2N1Cc1ccc(Cl)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?