CO[C@@H]1COC(=O)C/C=C\[C@H](C)[C@@H](OC)COC(=O)[C@H]2CCCN2C(=O)C/C=C\[C@H]1C
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?