Using CC(=O)Nc1ccc(C(=O)NCc2ccccn2)cc1[N+](=O)[O-] to produce Cc1nc2ccc(C(=O)NCc3ccccn3)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.