Using O=[N+]([O-])c1ccc(F)c(F)c1, Oc1cc(Cl)ccc1Cl to produce O=[N+]([O-])c1ccc(Oc2cc(Cl)ccc2Cl)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.