COc1cc2c(cc1Cl)[n+]([O-])c(C#N)c(N1CCN(c3ccc([N+](=O)[O-])cc3)CC1)[n+]2[O-]
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?