You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a electroluminescent member of the high luminous efficiency class.
user
C=CC=Cc1c(C)n(-c2ccccc2)c2c1ccc1c3ccccc3n(-c3ccc(-c4ccc(-n5c6ccccc6c6ccc7c8ccccc8n(-c8ccccc8)c7c65)cc4)cc3)c12
assistant