Using OCC1CCOCC1, FC(F)(F)Oc1cccc(-c2cnc3ccc(Cl)nn23)c1 to produce FC(F)(F)Oc1cccc(-c2cnc3ccc(OCC4CCOCC4)nn23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.