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 organic electroluminescent device, a organic electroluminescent compound, and electroluminescent.
user
c1ccc(N2c3ccccc3N(c3ccccc3)c3cc(-c4cc5cc(-c6ccc7c(c6)N(c6ccccc6)c6ccccc6N7c6ccccc6)c6ccccc6c5c5ccccc45)ccc32)cc1
assistant