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 affects organic electroluminescence, has an impact on luminous efficiency, and is characterized as electroluminescent. Please represent the molecule in SMILES.
user
Cc1ccc(C)c(N(c2cc(-c3ccccc3C)ccc2C)c2cc(N(c3cc(C)ccc3C)c3cc(-c4ccccc4C)ccc3C)c3ccc4cc(C(C)(C)C)cc5ccc2c3c54)c1
assistant