Using CN(C)C=O, O=C(N1CCN(c2ccc(O)c([N+](=O)[O-])c2)CC1)C(F)(F)F to produce Nc1ccc(N2CCN(C(=O)C(F)(F)F)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.