CN1OC[C@@H]2CN(Cc3cc(Cl)cc(Cl)c3)[C@H](c3cccc(Oc4ccccc4)c3)C[C@@H]21
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?