You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the light-emitting class of molecules.
user
CC1CC=Cc2c1c(C1=CCC=C(c3ccc4c(c3)c3ccccc3n4-c3ccccc3)C=C1)c1ccccc1c2-c1ccccc1
assistant