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 organic light-emitting device. Use the above information to create a molecule.
user
c1ccc(-c2cccc(N(c3cccc(-c4ccc5c(c4)c4ccccc4n5-c4ccccc4)c3)c3ccc4c(c3)-c3ccccc3C4(c3ccccc3)c3ccccc3)c2)cc1
assistant