Using CCCC[Sn](Cl)(CCCC)CCCC, Fc1cc(F)c(F)c(-n2cnc(I)c2)c1 to produce CCCC[Sn](CCCC)(CCCC)c1cn(-c2cc(F)cc(F)c2F)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.