You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It belongs to the organic light-emitting device class of molecules.
user
C=C(C=Cc1csc2ccccc12)C1=c2ccccc2=C(C(=C)c2cc3c(cc2-c2cc4ccccc4s2)oc2ccccc23)C=CCCC=C1
assistant