Using [N-]=[N+]=[N-], Cc1ccc(S(=O)(=O)OCCc2ccc3[nH]cc(S(=O)(=O)c4ccccc4)c3c2)cc1 to produce [N-]=[N+]=NCCc1ccc2[nH]cc(S(=O)(=O)c3ccccc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.