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 a organic light-emitting device.
user
C=C(C=CC(=C)c1c2ccccc2c(-c2ccc3ccccc3c2)c2ccccc12)C(C)=CC=C1Cc2ccc3ccc4sc5ccccc5c4c3c2S1
assistant