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: It belongs to the organic light-emitting device class of molecules.
user
C1=CCC(c2cc3c(c(C4CCc5ccc(-c6ccc7c8ccccc8n(-c8ccc(-c9ccccc9)cc8)c7c6)cc5-c5ccccc54)c2)C2CC=CC=C2O3)C=C1
assistant