Using CCCC[Sn](/C=C/[Si](C)(C)C)(CCCC)CCCC, COC(=O)c1nc(Cl)c(F)c(N)c1I to produce COC(=O)c1nc(Cl)c(F)c(N)c1/C=C/[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.