Using COc1ccc(-c2c3ccccc3c(-c3ccc(OC)c([N+](=O)[O-])c3)c3ccccc23)cc1[N+](=O)[O-] to produce O=[N+]([O-])c1cc(-c2c3ccccc3c(-c3ccc(O)c([N+](=O)[O-])c3)c3ccccc23)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.