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 based on this description: The molecule is fluorescent and electroluminescent, and it has an effect on organic electroluminescence. The molecule is a organic electroluminescent device and belongs to the high luminous efficiency class of molecules; it is phosphorescent and luminescent.
user
c1ccc(-c2nc(-c3ccccc3)nc(-n3c4ccccc4c4cc(-c5cccc6c5c5ccccc5n6-c5ccccc5)ccc43)n2)cc1
assistant