You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a light-emitting device that has an effect on luminous efficiency.
user
CCCCc1cc(C)c(N(c2ccc(C)cc2)c2ccc3c(c2)C(C)(C)c2cc(N(c4ccc(C)cc4)c4c(C)cc(CCCC)cc4C)ccc2-3)c(C)c1
assistant