CC(C)(C)OC(=O)N1C[C@H](CC(=O)OCc2ccccc2)C[C@H]1C(=O)OCC(Cl)(Cl)Cl
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?