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 element and is classified both as a electroluminescent and organic electroluminescent, with an impact on electron transport. Please represent the molecule in SMILES.
user
c1cc(-c2ccccc2-c2ccccc2-n2c3ccccc3c3ccccc32)cc(N(c2ccc(-c3ccc4ccccc4c3)cc2)c2ccc(-c3cccc4c3oc3ccccc34)cc2)c1
assistant