You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a light-emitting device and is organic light-emitting. Please represent the molecule in SMILES.
user
c1ccc(-c2ccc(-c3nc(-c4ccccc4)cc(-c4ccc(-c5ccc(-c6nc7ccccc7c7c(-c8ccccc8)c8c(cc67)oc6ccccc68)cc5)cc4)n3)cc2)cc1
assistant