Using CCOC(=O)C(Cl)(Cc1ccc(OC)c2c1ccc(=O)n2C)C(=O)OCC to produce COc1ccc(CC(Cl)C(=O)O)c2ccc(=O)n(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.