You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a organic light-emitting device and belongs to the organic light-emitting class of molecules.
user
c1ccc2c(c1)sc1c(-n3c4ccccc4c4cc(-n5c6ccccc6c6cc(-n7c8ccccc8c8ccccc87)ccc65)ccc43)nccc12
assistant