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: The molecule is a organic electroluminescent element and is both organic electroluminescent and belongs to the electroluminescent and phosphorescent classes of molecules.
user
c1ccc2c(c1)ccc1ccc3cc(-c4ccc5ccc(-c6ccc7oc8ccc(-c9ccc%10ccc(-c%11cc%12ccc%13ccc%14ccccc%14c%13c%12c%12ccccc%11%12)cc%10c9)cc8c7c6)cc5c4)c4ccccc4c3c12
assistant