You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is organic light-emitting.
user
CC(C)(C)C1=CC2c3cc(C(C)(C)C)ccc3N(c3c(-n4c5ccccc5c5ccccc54)c(C#N)c(-c4ccc(C#N)cc4)c(C#N)c3-n3c4ccccc4c4ccccc43)C2C=C1
assistant