Using COc1cc(-c2cc(=O)c3ccccc3o2)cc([N+](=O)[O-])c1OC to produce O=c1cc(-c2cc(O)c(O)c([N+](=O)[O-])c2)oc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.