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 that fulfills the requirement: It belongs to the organic light-emitting device class of molecules.
user
CC1(C)c2cccc3cc(-c4ccc(N(c5ccc(-c6ccc(N(c7cccc8ccccc78)c7cccc8ccccc78)cc6)cc5)c5cccc6ccccc56)cc4)c4cccc1c4c23
assistant