Using O=[N+]([O-])c1ccc(Oc2cccc3c(Oc4ccc([N+](=O)[O-])c([N+](=O)[O-])c4)cccc23)cc1[N+](=O)[O-] to produce Nc1ccc(Oc2cccc3c(Oc4ccc(N)c(N)c4)cccc23)cc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.