Using O=C(NNC(=O)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-])c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1[N+](=O)[O-] to produce O=[N+]([O-])c1cc([N+](=O)[O-])c(-c2nnc(-c3c([N+](=O)[O-])cc([N+](=O)[O-])cc3[N+](=O)[O-])o2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.