Using O=C(O)c1ccc([N+](=O)[O-])cc1NC(=O)C(F)(F)F to produce Nc1ccc(C(=O)O)c(NC(=O)C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.