You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: Dt50 at ph 7 in simulated sunlight about 74 days. photochemically decomposed by uv irradiation.
user
[Br-].[Br-].c1cc[n+]2c(c1)-c1cccc[n+]1CC2
assistant