You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is light-emitting.
user
CC1(C)c2cc(-c3ccccc3)ccc2-c2ccc(N(c3ccc(-c4ccccc4)cc3)c3ccc4c(c3)C(c3ccccc3)(c3ccccc3)c3ccccc3-4)cc21
assistant