Using CC(O)c1ccccc1, COC(=O)C1CN1C(=O)OCc1ccccc1 to produce COC(=O)C(COC(C)c1ccccc1)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.