Using COC1(N)CN(S(=O)(=O)[O-])C1=O, [N-]=[N+]=NC(C(=O)Cl)c1ccccc1 to produce COC1(NC(=O)C(N=[N+]=[N-])c2ccccc2)CN(S(=O)(=O)[O-])C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.