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: The molecule is optoelectronic.
user
O=c1c2ccccc2c2c3cccc4cc(Br)c5cccc(c12)c5c43
assistant