You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is organic light-emitting.
user
C=C1c2ccccc2-c2c(C)c(cc3c2c2ccccc2n3C(=C)C(C)C(c2ccc(-c3ccccc3)cc2)c2sc3ccccc3c2CC)-c2c1ccc1ccccc21
assistant