CC(=O)OC1C[C@@]2(C)C(c3ccoc3)OC(=O)C3O[C@@]32[C@]2(C)C(OC(C)=O)CC3C(C)(C)C(OC(C)=O)CC(OC(C)=O)[C@@]3(C)C12
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?