Using NCC(F)(F)F, CCCCCCC(C(=O)O)n1cnc([N+](=O)[O-])c1 to produce CCCCCCC(C(=O)NCC(F)(F)F)n1cnc([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.