You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It influences low driving voltage and luminous efficiency.
user
C1=CCCC(c2ccccc2-c2ccc(N(c3ccc(-c4ccccc4)cc3)c3ccc(-c4ccccc4)cc3)cc2-c2ccc(-c3ccccc3)cc2)=C1
assistant