Using COC(=O)Cc1cc(O)cc(O)c1-c1ccccc1, COC(Cl)Cl to produce COC(=O)Cc1c(C=O)c(O)cc(O)c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.