Using CS(=O)(=O)OC[C@H]1CN(c2ccc(I)cc2)C(=O)O1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC[C@H]1CN(c2ccc(I)cc2)C(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.