Using FS(F)(F)(F)(F)c1ccc(S)cc1, COC(=O)c1cc(S(C)(=O)=O)c(Br)cc1C to produce COC(=O)c1cc(S(C)(=O)=O)c(Sc2ccc(S(F)(F)(F)(F)F)cc2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.