Using CCCC[Sn](CCCC)(CCCC)c1ccnn1C(C)C, COC(=O)c1cc(I)c(CF)cc1N to produce COC(=O)c1cc(-c2ccnn2C(C)C)c(CF)cc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.