You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the organic light-emitting device class of molecules. Please represent the molecule in SMILES.
user
c1ccc(-c2ccc3c(c2)Sc2ccccc2C32c3ccccc3Oc3cc(-c4ncncn4)ccc32)nc1
assistant