You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the organic light-emitting device class of molecules.
user
c1ccc(-c2ccc(-c3oc(-c4ccc(-c5ccccc5)cc4-c4ccccc4)c4ccccc34)cc2)cc1
assistant