You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is organic light-emitting.
user
c1ccc(-c2nc(-n3c4c5c6c(cc4c4ccc7ccccc7c43)-c3ccccc3C(CC6)c3cc(-c4cccc6c4ccc4c7cc8c9ccccc9n9c%10ccccc%10c(c7n(-c7ncc%10ncccc%10n7)c64)c89)ccc3-5)nc3cccnc23)cc1
assistant