You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a phosphorescent and belongs to the electroluminescent class of molecules. Use the above information to create a molecule.
user
c1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)c1ccccc1n2-c1ccc2c(c1)c1cccc3c4ccccc4n2c31
assistant