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: The molecule is a organic light-emitting diode.
user
C1=CCC2C=c3c4c(n(C5=CC6=CC=CC(C7=NC(C8=CC9C=CC=CC9c9ccccc98)N=C(c8ccccc8)N7)C6C=C5)c3=CC2=C1)CCC(n1c2c(c3ccccc31)CC1CCC=CC1=C2)=C4
assistant