CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)[C@H](O)[C@@H]1C[C@@H]1C(=O)NC1CCCCC1
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?