You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): Disodium edta decomposes at 252 °c.
user
O=C([O-])CN(CCN(CC(=O)[O-])CC(=O)O)CC(=O)O.[Na+].[Na+]
assistant