CC(=O)OC1CC(OC(C)=O)[C@]2(C)C(CC(OC(C)=O)[C@]3(C)C2CC[C@@]2(C)C(c4ccoc4)OC(=O)C4O[C@@]423)C1(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?