Using CC(=O)Nc1ccc(CCl)cc1, OC(CCc1ccc(Cl)cc1)Cn1ccnc1 to produce CC(=O)Nc1ccc(COC(CCc2ccc(Cl)cc2)Cn2ccnc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.