Using CCCC[Sn](CCCC)(CCCC)c1ccncc1, O=[N+]([O-])c1cc(I)c2occc2c1 to produce O=[N+]([O-])c1cc(-c2ccncc2)c2occc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.