Using CC(=O)O, CC(C)c1oc2cc(O)ccc2c(=O)c1-c1ccc(Cl)cc1 to produce CC(C)c1oc2c(C=O)c(O)ccc2c(=O)c1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.