CC/C=C\[C@H](O)[C@H](O)C1=C(C)C(=O)[C@]2(O1)C(=O)N[C@@](OC)(C(=O)c1ccccc1)C2O
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?