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: It belongs to the high luminous efficiency class of molecules.
user
c1ccc(-c2c(N(c3ccc4c(c3)Sc3ccccc3C43c4ccccc4-c4cccc5cccc3c45)c3ccc4ccccc4c3)ccc3ccccc23)cc1
assistant