You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the electroluminescent, organic electroluminescent device, and phosphorescent classes of molecules and has an effect on organic electroluminescence. Use the above information to create a molecule.
user
c1ccc(-c2cccc(N3c4ccccc4-c4ccccc4O[Si]3(c3cccnc3)c3cccnc3)n2)cc1
assistant