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 electronic device, organic electroluminescent compound, and electroluminescent classes of molecules. Use the above information to create a molecule.
user
c1ccc(-c2c3cc4c5ccccc5c5cccc(c3c(-c3ccccc3)c3c6cccc7c8oc9ccccc9c8cc(c23)c76)c54)cc1
assistant