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 a organic light-emitting diode.
user
c1ccc2c3c(ccc2c1)N(c1nc2ccccc2nc1-c1cccc2sc4ccccc4c12)c1cccc2cccc-3c12
assistant