Using Cc1ccc(S(=O)(=O)OCC(F)(F)F)cc1, O=C1CCCc2cc(O)ccc21 to produce O=C1CCCc2cc(OCC(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.