Using OC(COc1ccc(Cl)c(Cl)c1)Cn1ccnc1, ClCc1ccc(Cl)c(Cl)c1 to produce Clc1ccc(COC(COc2ccc(Cl)c(Cl)c2)Cn2ccnc2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.