Using CCCC[Sn](CCCC)(CCCC)c1ccnn1C, CCc1cc(N)c(C(=O)OC)cc1I to produce CCc1cc(N)c(C(=O)OC)cc1-c1ccnn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.