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 that fulfills the requirement: It is a member of the high luminous efficiency class of molecules that affects both luminous efficiency and low driving voltage.
user
Brc1ccc(-c2ccc(N(c3ccccc3)c3ccc4c(c3)sc3ccccc34)cc2)cc1
assistant