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(N(c3ccc(-c4cccc5c4oc4ccccc45)cc3)c3cc(N(c4ccccc4)c4ccc(-c5ccccc5)c5ccccc45)cc(N(c4ccccc4)c4ccc(-c5ccccc5)c5ccccc45)c3)cc2)cc1
assistant