Using [O-][n+]1ccccc1C12OC1C(CF)(CF)Oc1ccc(C(F)(F)C(F)(F)F)cc12 to produce [O-][n+]1ccccc1C1=CC(CF)(CF)Oc2ccc(C(F)(F)C(F)(F)F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.