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 is a molecule that belongs to both the organic electroluminescent device and electroluminescent classes, and it has an effect on low driving voltage while also impacting luminous efficiency.
user
CC1(C)c2ccc(N(c3ccccc3)c3ccc(-c4ccc(-n5c6ccccc6c6cc7oc8ccccc8c7cc65)cc4)cc3)cc2-c2cc3ccccc3cc21
assistant