Using OCC(F)(F)C(F)(F)C(F)(F)F, O=Cc1ccc(F)cc1 to produce O=Cc1ccc(OCC(F)(F)C(F)(F)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.