You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a light-emitting member of the optoelectronic class.
user
CCC1(CC)c2cc(-c3c4ccccc4c(-c4ccccc4)c4ccccc34)ccc2-c2nc3c(nc21)-c1ccc(-c2c4ccccc4c(-c4ccccc4)c4ccccc24)cc1C3(CC)CC
assistant