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 the electroluminescent class of molecules.
user
CC1(C)C2=C(C=CCC2)c2ccc(N(c3ccc4c(c3)C(C)(C)c3ccccc3-4)c3ccc4c(C5CCCCC5)c5ccc(N(c6ccc7c(c6)C(C)(C)c6ccccc6-7)c6ccc7c(c6)C(C)(C)c6ccccc6-7)cc5c(C5CCCCC5)c4c3)cc21
assistant