CC1(C)OC2[C@@H]3OC(C)(C)O[C@]3([C@H]3OC(C)(C)O[C@@H]3CO)OC[C@H]2O1
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?