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: The molecule is a organic electroluminescent element and belongs to both the electronic device and electroluminescent classes of molecules.
user
CC1(C)c2ccccc2-c2cccc(-c3ccc(N(c4ccc(-c5cccc(-c6cccc7ccccc67)c5)cc4)c4ccc5sc6ccccc6c5c4)cc3)c21
assistant