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
C=CC=CC(=CCc1nc(-c2ccccc2)nc(-c2ccccc2)n1)n1c2ccccc2c2ccc3c(c21)-c1ccccc1C3(c1ccccc1)c1ccccc1C
assistant