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: The molecule is a member of the organic light-emitting device class and affects light emission.
user
CC1(C)c2ccccc2C2(c3ccccc3-c3cc(-c4ccc(N(c5ccc(-c6ccccc6)cc5)c5ccc(-c6cccc7c6oc6ccccc67)cc5)cc4)ccc32)c2ccccc21
assistant