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 a optoelectronic member of the organic optoelectronic device class.
user
c1ccc(-c2nc(-c3ccccc3-c3ccccc3-c3nc(-c4ccccc4)c4c(n3)oc3ccccc34)nc3oc4ccccc4c23)cc1
assistant