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: The molecule is a organic light-emitting device and light-emitting device, belonging to both the light-emitting and organic light-emitting classes, and it has an effect on low driving voltage as well as impacts light emission. Please represent the molecule in SMILES.
user
CC(c1ccccc1)(c1ccc(-c2cc(-c3cccc4ccccc34)nc(-c3ccccc3)n2)cc1)c1ccc(-c2cc(-c3cccc4ccccc34)nc(-c3ccccc3)n2)cc1
assistant