You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is light-emitting.
user
Cc1cc(C)cc(N(c2ccc(-c3ccccc3)cc2)c2c(C)c(C)c(-c3cnc4nccnc4n3)c(C)c2C)c1
assistant