Using CCCC[Sn](Cl)(CCCC)CCCC, FC(F)(F)CCC=C(Br)Br to produce CCCC[Sn](C#CCCC(F)(F)F)(CCCC)CCCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.