Using O=C(c1cc(OS(=O)(=O)C(F)(F)F)cc(OS(=O)(=O)C(F)(F)F)c1)C1CCCC1 to produce O=C(c1cc(O)cc(OS(=O)(=O)C(F)(F)F)c1)C1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.