You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a electronic device and belongs to the organic electroluminescent device class of molecules, with the characteristic of being electroluminescent. Please write the SMILES representation of it.
user
Cc1ccc2c(c1)C(C)(C)c1cc(Br)c3c(oc4ccccc43)c1-2
assistant