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: It has an effect on light-emitting device.
user
CC(C)c1cc(C(C)C)c(-c2cc3c4cc(B5OC(C)(C)C(C)(C)O5)ccc4c(-c4c(C(C)C)cc(C(C)C)cc4C(C)C)cc3c3ccccc23)c(C(C)C)c1
assistant