COC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H]1C[C@H]1[C@@H](NC(=O)OCc1ccccc1)c1ccccc1
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?