You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a phosphorescent and belongs to the electroluminescent class of molecules, with the characteristic of being organic electroluminescent.
user
c1ccc(-c2cc3c(cc2-c2cccc4c5ccccc5n(-c5ccc6c(c5)c5cnccc5n6-c5ccccc5)c24)c2ccccc2n3-c2ccccc2)cc1
assistant