You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is organic light-emitting.
user
CC(C)(C)C1=C(c2ccc(-n3c4ccc(-c5ccccc5)cc4c4cc(-c5ccccc5)ccc43)cc2)C(c2cccc(-n3c4ccccc4c4ccccc43)c2)=CCC1
assistant