Using O=[N+]([O-])c1ccccc1S(=O)(=O)NCc1ccc(Cl)c(Cl)c1 to produce Nc1ccccc1S(=O)(=O)NCc1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.