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(-c2ccc(-c3ccc(N(c4ccc(-c5cc6ccccc6c6ccccc56)cc4)c4ccccc4-c4cccc5ccccc45)cc3)cc2)cc1
assistant