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
CCC1C(c2ccc(-c3ccccc3)cc2)=CCC(C)C(c2cc(-n3c4cc5ccccc5cc4c4cc5ccccc5cc43)cc3sc4ccccc4c23)=NC1n1c2ccccc2c2ccccc21
assistant