Using Oc1ccc(OC(F)(F)F)cc1, CS(=O)(=O)c1ccc(F)cc1 to produce CS(=O)(=O)c1ccc(Oc2ccc(OC(F)(F)F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.