Using CCN(CC)c1nc(C(C)(C)C)nn1-c1c(Cl)cc(C(F)(F)F)cc1[N+](=O)[O-] to produce CCN(CC)c1nc(C(C)(C)C)nn1-c1c(N)cc(C(F)(F)F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.