Using Cc1ccc(S(=O)(=O)O[C@@H]2CCN(C(=O)OCc3ccccc3)C[C@H]2N=[N+]=[N-])cc1 to produce Cc1ccc(S(=O)(=O)O[C@@H]2CCN(C(=O)OCc3ccccc3)C[C@H]2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.