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 phosphorescent and light-emitting.
user
C1=CCC(c2ccc(N(c3ccc(-c4ccccc4)cc3)c3ccc(-c4ccc(N(C5=CC=C(c6ccccc6)CC=C5)c5ccc(-c6ccccc6)cc5)cc4)cc3)cc2)C=C1
assistant