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: It belongs to the organic light-emitting device class of molecules.
user
CC1(C)c2ccccc2-c2ccc3sc4cc(-c5ccc(-c6c7ccccc7c(-c7cccc(-c8ccccc8)c7)c7ccccc67)c6ccccc56)c5ccccc5c4c3c21
assistant