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 high luminous efficiency, electroluminescent, and organic electroluminescent classes of molecules.
user
C1=Cc2c(oc3cc(-c4cccc(-c5c6ccccc6c(-c6ccccc6-c6cccc7ccccc67)c6ccccc56)c4)ccc23)CC1
assistant