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: The organic electroluminescent compound molecule is electroluminescent and has an effect on electroluminescent device.
user
Cn1c2ccccc2c2cc(-c3ccc4c(c3)C(C)(C)c3c5c(c6ccccc6c3-4)-c3ccc(-c4ccc6c(c4)c4ccccc4n6C)cc3C5(C)C)ccc21
assistant