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
c1ccc2cc(-c3nc(-c4ccc5ccccc5c4)nc(-c4ccc(-n5c6cc7ccccc7cc6c6c7ccccc7ccc65)cc4-c4ccc5c(c4)sc4ccccc45)n3)ccc2c1
assistant