You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the light-emitting class of molecules. Use the above information to create a molecule.
user
COc1ccc(N(C)c2c(C)c(C)c(-c3ncnc(-c4c(C)cccc4C)n3)c(C)c2C)cc1
assistant