You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a light-emitting device and belongs to the organic light-emitting class of molecules.
user
c1ccc(-c2cc(-c3ccc4ccccc4c3)nc(-c3cccc(-c4ccc5c(c4)C4(c6ccccc6C6(c7ccccc7-c7ccccc76)c6ccccc64)c4c-5ccc5sc6ccccc6c45)c3)n2)cc1
assistant