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 belongs to the electroluminescent class of molecules.
user
CC1(C)c2cc(-c3cccc4c(-c5ccccc5)c(-c5ccccc5)c(-c5ccccc5)c(-c5ccccc5)c34)ccc2-c2ccc(N(c3ccccc3)c3ccccc3)cc21
assistant