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? It belongs to the organic light-emitting device class of molecules.
user
Nc1cc(-c2nc(-c3ccccc3)nc(-c3ccc4sc5ccccc5c4c3)n2)ccc1F
assistant