Using CCCC[Sn](CCCC)(CCCC)c1cccc(C#N)c1, COC(=O)c1cc(I)c(C(F)(F)F)cc1NC(C)=O to produce COC(=O)c1cc(-c2cccc(C#N)c2)c(C(F)(F)F)cc1NC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.