You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is electroluminescent.
user
Cc1ccc2c(c1)C1(CCCC1)c1cc(-c3ccc4c(c3)C3(CCCC3)c3cc(-c5ccc(C=Cc6ccc(-c7ccc8c(c7)c7ccccc7n8-c7cccc8ccccc78)cc6)cc5)ccc3-4)ccc1-2
assistant