You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is organic light-emitting.
user
CC1(C)c2ccccc2-c2ccc3c4c(-c5ccc6c(c5)C5(c7ccccc7Oc7ccccc75)c5cc(-c7nc(-c8ccccc8)nc(-c8ccccc8)n7)ccc5-6)cccc4n(-c4ccccc4)c3c21
assistant