CN(C)C(=O)[C@H]1C[C@H]1[C@@H](O)[C@H](CO)NC(=O)[C@H](COCc1ccccc1)NC(=O)OC(C)(C)C
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?