You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the light-emitting class of molecules.
user
COC(=O)c1cc(SCc2cc(C(C)(C)C)cc(C(C)(C)C)c2)cc(SCc2cc(C(C)(C)C)cc(C(C)(C)C)c2)c1
assistant