CC1=C(CO)C(=O)OC(C(C)C2CCC3C4CC5OC56C(O)C(N5CC5)=CC(=O)C6(C)C4CCC23C)C1
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?