Using CC(C)(C)OC(=O)N[C@@H]1CCCC(F)(F)[C@@H]1N=[N+]=[N-] to produce CC(C)(C)OC(=O)N[C@@H]1CCCC(F)(F)[C@@H]1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.