You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a organic light-emitting device.
user
c1ccc(-c2nnc(-c3ccc4c5ccccc5n(-c5cccc(-c6cccc(-n7c8ccccc8c8cc9c(cc87)oc7ccccc79)c6)c5)c4c3)n2-c2ccccc2)cc1
assistant