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 electroluminescent device and is electroluminescent. Please represent the molecule in SMILES.
user
CCCC1(N(c2ccc(C)cc2)c2ccc(C)cc2)Cc2cc3c(cc21)C(C)(C)c1cc2c(cc1-3)CC2(CC)N(c1ccc(C)cc1)c1ccc(C)cc1
assistant