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: It belongs to the organic electroluminescent compound, electroluminescent, and high luminous efficiency classes of molecules. Please represent the molecule in SMILES.
user
CCC1(CC)c2cc(C=Cc3ccc(-c4cc(-c5ccccc5)ccc4-c4ccccc4-c4ccccc4)cc3)ccc2-c2ccc(N(c3ccccc3)c3ccccc3)cc21
assistant