CC(CO)[C@H]1OC(=O)C=C2[C@@]3(C)C[C@@H]4O[C@@H]4[C@]4(C)C(=O)O[C@@H]([C@H]34)[C@H]3O[C@]213
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?