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 organic electroluminescent device and is both electroluminescent and belongs to the organic electroluminescent compound and phosphorescent classes of molecules.
user
Cc1nccc(-c2cccc([Si](c3ccccc3)(c3ccccc3)c3ccccc3)c2)n1
assistant