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 belongs to both the electroluminescent and electroluminescent device classes of molecules.
user
CCC(C)(CCCC(C)C)c1ccc2c(c1)C1(c3cc(C4(CC)CC4CC(C)C)ccc3-2)c2ccccc2-c2c(N)cccc21
assistant