You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule has Slightly pungent odor. The molecule is pharmaceutical. When heated to decomposition it emits very toxic fumes of bromide, chloride, and phosphorus oxides.
user
COP(=O)(OC)OC(Br)C(Cl)(Cl)Br
assistant