Using [N-]=[N+]=[N-], O=S(=O)(Cl)c1c(Cl)cccc1Cl to produce [N-]=[N+]=NS(=O)(=O)c1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.