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: The molecule is a organic electroluminescent device and is both electroluminescent and belongs to the high luminous efficiency and organic electroluminescent classes of molecules.
user
Cc1cc(C)c(-c2c3c(c(-c4c(C)cc(C)cc4C)c4ccccc24)-c2ccc(-c4c5ccccc5cc5c4sc4ccccc45)c4cccc-3c24)c(C)c1
assistant