You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It has an effect on improved luminous efficiency. Please write the SMILES representation of it.
user
c1ccc(-c2ccc3c(ccn3-c3cccc(-c4cccc(-c5cccc(-c6nc(-c7ccccc7)nc(-c7ccccc7)n6)c5)c4)c3)c2)cc1
assistant