Using CN1C(=O)CN=C(c2cccc([N+](=O)[O-])c2)c2cc(-c3ccccc3)ccc21 to produce CN1C(=O)CN=C(c2cccc(N)c2)c2cc(-c3ccccc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.