Using O=C(Nc1ccc(OCc2ccccc2)cc1)C1CC1, [N-]=[N+]=[N-] to produce c1ccc(COc2ccc(-n3nnnc3C3CC3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.