You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is organic light-emitting. Please represent the molecule in SMILES.
user
Cc1ccc2c(c1)C(C)(C)c1cc(-c3nc(C4=CCC=CC=C4)cc(-c4ccccc4)n3)ccc1-2
assistant