Using O=C(O)C(F)(F)F, Cc1cc(N)ccc1[N+](=O)[O-] to produce Cc1cc(N(CC(F)(F)F)CC(F)(F)F)ccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.