COc1cccc2c1OCC([C@@H]1C[C@H]3CN(Cc4cccc(Cl)c4)C(=O)[C@]34CCCN14)=C2
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?