CC(=O)OC[C@@H]1[C@H]2CC[C@]3(C)[C@@H](OC(C)=O)CC[C@H]3[C@@H]2CC[C@H]1C1(C)SCCS1
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?