Using [N-]=[N+]=[N-], CC(C)(COS(=O)(=O)CCCCl)C(O)C(=O)OCc1ccccc1 to produce CC(C)(COS(=O)(=O)CCCN=[N+]=[N-])C(O)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.