You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the organic electroluminescent, high luminous efficiency, and electroluminescent classes of molecules.
user
CC=Cc1[nH]c2c(c1C=C(C)n1c(C)c(CC=CCC)c3ccccc31)C=C(c1cccc3c1N(c1cc(-c4ccccc4)cc(C4C=CCC=CCC4)c1)C1C=CC=CC31)CC=C2
assistant