You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the organic light-emitting device class of molecules.
user
CC1(C)c2ccccc2-c2c1ccc1sc3c4cc(-c5ccc(-c6c7ccccc7c(-c7ccc8oc9ccccc9c8c7)c7ccccc67)cc5)ccc4ccc3c21
assistant