Using O=[N+]([O-])c1cc(Cl)cc(-c2cc(Cl)cc([N+](=O)[O-])c2O)c1O to produce Nc1cccc(-c2cccc(N)c2O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.