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 is a optoelectronic molecule that belongs to the organic light-emitting device, organic electroluminescent device, organic light-emitting, and electroluminescent classes and has an effect on electron transport.
user
CCc1ccc(-c2cccc3c2oc2ccccc23)cc1
assistant