You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the high luminous efficiency class of molecules. Use the above information to create a molecule.
user
C(=Cc1ccc2cc(N(c3ccccc3)c3cccc4ccccc34)ccc2c1)c1ccc2cc(N(c3ccccc3)c3cccc4ccccc34)ccc2c1
assistant