Using Cc1cc(CC(C=O)C(=O)[O-])cnc1C, N=C(N)N[N+](=O)[O-] to produce Cc1cc(Cc2cnc(N[N+](=O)[O-])[nH]c2=O)cnc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.