You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the organic light-emitting class of molecules. Use the above information to create a molecule.
user
c1ccc(-c2cc(-c3ccc4c(c3)C3(c5ccccc5-4)c4ccccc4C4(c5ccccc5)c5ccccc5-c5cccc3c54)nc3ccccc23)cc1
assistant