Using O=Cc1c(O)ccc2ccccc12, COc1cc2nccc(Cl)c2cc1OC to produce COc1cc2nccc(Oc3ccc4ccccc4c3C=O)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.