Using COC(=O)[C@@H]1[C@@H](c2ccc(OCc3ccccc3)cc2)C[C@@H]2CC[C@H]1N2C(=O)OC(C)(C)C to produce COC(=O)[C@@H]1[C@@H](c2ccc(O)cc2)C[C@@H]2CC[C@H]1N2C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.