Using O=N[O-], Cc1cc([N+](=O)[O-])cc(-c2ccccc2)c1N to produce O=[N+]([O-])c1cc(-c2ccccc2)c2[nH]ncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.