Using COCO[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@@H]1COC(C)=O to produce COCO[C@@H]1CN(C(=O)OC(C)(C)C)CC[C@@H]1CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.