Using CC(C)(C)OC(=O)N1CCc2cc(O)ccc2C1, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce CC(C)(C)OC(=O)N1CCc2cc(OS(=O)(=O)C(F)(F)F)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.