Using CN, O=C(O)c1cc([N+](=O)[O-])c(F)c(F)c1F to produce CNc1c([N+](=O)[O-])cc(C(=O)O)c(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.