Using Nc1ccc(Oc2ccc(Cl)cc2)c([N+](=O)[O-])c1, O=N[O-] to produce NNc1ccc(Oc2ccc(Cl)cc2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.