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 light-emitting.
user
CC1(C)c2ccccc2-c2ccc(-c3cccc4c3ccc3c5cccc(-c6cnc7c8ccccc8c8ccccc8c7n6)c5ccc43)cc21
assistant