Using O=[N+]([O-])c1cc(-c2ccccc2)c(Cl)c([N+](=O)[O-])c1 to produce Nc1cc(N)c(Cl)c(-c2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.