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 organic light-emitting device.
user
CC(C)(C)c1ccc2c(c1)c1cc(C(C)(C)C)ccc1n2-c1ccc2c(c1)c1cc(-c3ccccc3)ccc1n2-c1c(C(C)(C)c2ccccc2)cc(C(C)(C)c2ccccc2)cc1C(C)(C)c1ccccc1
assistant