Using CCCc1c(C)[nH]c2ccc([N+](=O)[O-])cc12, O=C(O)C(F)(F)F to produce CCCC1c2cc([N+](=O)[O-])ccc2N(CC(F)(F)F)C1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.