Using CC(C)(C)OC(=O)N1CCc2cc(OS(=O)(=O)C(F)(F)F)ccc2C1 to produce COC(=O)c1ccc2c(c1)CCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.