Using [N-]=[N+]=NC1=C(C(=O)OCc2ccccc2)N2C(=O)C[C@H]2C1 to produce NC1=C(C(=O)OCc2ccccc2)N2C(=O)C[C@H]2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.