Using C[N+](=O)[O-], CCOC(=O)C=Cc1ccc(C(F)(F)F)cc1 to produce CCOC(=O)CC(C[N+](=O)[O-])c1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.