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 a organic light-emitting device.
user
CCn1c2ccc(B3OC(C)(C)C(C)(C)O3)cc2c2cc(-c3ccc4c(c3)c3cc(B5OC(C)(C)C(C)(C)O5)ccc3n4CC)ccc21
assistant