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
c1ccc(-c2c3ccccc3c(-c3ccc(-c4ccc5c(c4)c4ncccc4n5-c4ccccc4)c4ccccc34)c3ccccc23)cc1
assistant