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 element and is electroluminescent.
user
CC(C)(C)c1cc2cc3c(c4ccc5cccc1c5c24)Oc1ccccc1C3(C)C
assistant