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 based on this description: It belongs to the high luminous efficiency, electroluminescent, and organic electroluminescent compound classes of molecules and has an effect on low driving voltage.
user
c1ccc([Si](c2ccccc2)(c2ccccc2)c2cccc(-c3ccnc(-n4c5ccccc5c5ccccc54)n3)c2)cc1
assistant