You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a organic electroluminescent device and is electroluminescent.
user
c1ccc(-c2ccc3sc4ccc(-c5cccc(-c6ccc(N(c7ccccc7)c7cc8ccccc8c8ccccc78)cc6)c5)cc4c3c2)cc1
assistant