Using CO[C@@H](CN1CCc2ccc([N+](=O)[O-])cc2CC1)C(F)(F)F to produce CO[C@@H](CN1CCc2ccc(N)cc2CC1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.