Using COC(=O)c1ccc(OC[C@@H]2CC3CCCCC3N2C(=O)OC(C)(C)C)cc1 to produce COC(=O)[C@H]1CC[C@@H](OC[C@@H]2CC3CCCCC3N2C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.