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=CC(c2c3ccccc3c(-c3cccc4c3oc3cc(-c5c6ccccc6c(-c6ccsc6)c6ccccc56)ccc34)c3ccccc23)=CCC1
assistant