You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the high luminous efficiency class of molecules.
user
CC1=CC=C(N)CN(C2C=CC(C3CCCc4c3sc3c4CCC=C3)=CC2)c2ccccc21
assistant