C=C(C)C1Cc2oc(cc2C(=O)OC)C(C(=C)C)[C@@H]2OC(=O)C(=CC1O)[C@H]2N(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?