Using Cc1cc2c(cc1[N+](=O)[O-])N1C(=NNC(=O)C1C)CO2 to produce Cc1cc2c(cc1N)N1C(=NNC(=O)C1C)CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.