Using O=[N+]([O-])c1ccc(Oc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])c([N+](=O)[O-])c1 to produce Nc1ccc(Oc2ccc(N)cc2N)c(N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.