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 luminous efficiency. Please write the SMILES representation of it.
user
C1=C2OC(c3ccccc3)=NC2CC=C1C1(c2ccccc2)c2ccccc2-c2c(-c3cccc(-c4cc(-c5ccc(-c6ccccc6)cc5)nc(-c5ccccc5)n4)c3)cccc21
assistant