Using Nc1cc(-c2ncc(C(F)(F)F)cc2Cl)c(F)cc1Cl, [N-]=[N+]=[N-] to produce [N-]=[N+]=Nc1cc(-c2ncc(C(F)(F)F)cc2Cl)c(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.