You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a organic light-emitting device and is fluorescent.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3cc(-c4ccccc4-c4ccccc4)cnc3-c3cccc4c3sc3cc5c6ccccc6n(-c6ccccc6)c5cc34)n2)cc1
assistant