Using CC(C)(C)OC(=O)N1CC=CCC1COC(=O)c1ccc([N+](=O)[O-])cc1, C=[N+]=[N-] to produce CC(C)(C)OC(=O)N1C[C@@H]2C[C@@H]2C[C@H]1COC(=O)c1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.