You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a organic electroluminescent compound and belongs to the electroluminescent device class of molecules, with the characteristic of being electroluminescent. Use the above information to create a molecule.
user
Cc1ccc2c(-c3ccc4sc5ccccc5c4c3)c3ccccc3c(-c3ccc4c(c3)C(C)(C)c3ccccc3-4)c2c1
assistant