You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: This molecule is a member of the high luminous efficiency class and influences low driving voltage. Please represent the molecule in SMILES.
user
CC1(C)c2ccccc2-c2cc3ccc(-c4nc(-c5cccc6ccccc56)nc(-c5cccc6ccccc56)n4)cc3cc21
assistant