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(-c2ccc(N(c3ccc4ccccc4c3)c3ccccc3-c3cccc4c5ccc6oc7ccccc7c6c5c5ccccc5c34)cc2)cc1
assistant