Using Nc1ccc(C(=O)O)cc1[N+](=O)[O-], Cc1nc(N)sc1C to produce Cc1nc(NC(=O)c2ccc(N)c([N+](=O)[O-])c2)sc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.