Using CC(C)OC(=O)CC(=O)OC(C)C, Cc1ccc(S(=O)(=O)OCC2(C(F)(F)F)CC2)cc1 to produce CC(C)OC(=O)C(CC1(C(F)(F)F)CC1)C(=O)OC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.