You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to both the phosphorescent and organic light-emitting device classes of molecules.
user
c1ccc([Si](c2ccccc2)(c2cccc(-c3cccc4c3Cc3ccccc3-4)c2)c2cccc(-c3cccc4c3sc3ccccc34)c2)cc1
assistant