You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the organic electronic device class of molecules.
user
C1=c2cc3nc4c5cccc6c7nc8cc9ccccc9cc8nc7c7cccc(c4nc3cc2=CCC1)c7c56
assistant