Using O=Cc1ccc(Cl)cc1, Cc1cc(=O)cc(-c2ccccc2)o1 to produce O=c1cc(C=Cc2ccc(Cl)cc2)oc(-c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.