You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: Dangerous; when heated to decomp, they emit highly toxic fumes of disodium oxide and sulfur oxides.
user
O=S([O-])([O-])=S.[Na+].[Na+]
assistant