Using CCCC[Sn](Cl)(CCCC)CCCC, COC(=O)c1ccc2c(c1)OCCn1cc(I)nc1-2 to produce CCCC[Sn](CCCC)(CCCC)c1cn2c(n1)-c1ccc(C(=O)OC)cc1OCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.