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, a organic optoelectronic device, and light-emitting.
user
c1ccc(-n2c3ccccc3c3cc(-c4cccc(-c5cc6c(c7ccccc7n6-c6ccccc6)c6c7ccccc7n(-c7ccccc7)c56)c4)ccc32)cc1
assistant