Using CC(=O)C(C(=O)OC(C)(C)C)C(=O)c1ccc(C(F)(F)F)cc1[N+](=O)[O-] to produce CC(=O)CC(=O)c1ccc(C(F)(F)F)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.