You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule has Faint halogen odor. When heated to decomposition it emits toxic fumes of hydrogen chloride, hydrogen bromide, and nitrogen oxides.
user
CC1(C)C(=O)N(Br)C(=O)N1Cl
assistant