Using O=C(O)Cc1ccc(-c2cccc(NC(=O)C(F)(F)F)c2)cc1[N+](=O)[O-] to produce O=C1Cc2ccc(-c3cccc(NC(=O)C(F)(F)F)c3)cc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.