Using C=C[Sn](CCCC)(CCCC)CCCC, COC(=O)c1nc(Cl)c(F)c(N)c1I to produce C=Cc1c(C(=O)OC)nc(Cl)c(F)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.