Using ClCc1conc1-c1ccc(-c2ccccc2)cc1, CCOC(=O)CC(=O)OCC to produce O=C(O)CCc1conc1-c1ccc(-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.