Using COc1ccc(C=O)cc1, CC(=O)C(CCC(=O)O)(Cc1ccccc1Cl)c1ccccc1 to produce COc1ccc(C=CC(=O)C(CCC(=O)O)(Cc2ccccc2Cl)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.