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 that is both phosphorescent and electroluminescent. Use the above information to create a molecule.
user
c1ccc2c(c1)sc1ccc(-n3c4ccccc4c4c5sc6c(ccc7c6c6ccccc6n7-c6ccc7sc8ccccc8c7c6)c5ccc43)cc12
assistant