Using COC(=O)c1nc(Cl)c(F)c(N)c1I, C/C=C/[Sn](CCCC)(CCCC)CCCC to produce C/C=C\c1c(C(=O)OC)nc(Cl)c(F)c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.