Using CCOC(=O)Cc1ccc([N+](=O)[O-])cc1CN(C)C(=O)OCc1ccccc1, O=S(=O)(OCC(F)F)C(F)(F)F to produce CCOC(=O)C(CC(F)F)c1ccc([N+](=O)[O-])cc1CN(C)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.