You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the organic electronic device class of molecules.
user
CC1(C)c2ccccc2-c2ccc(N(c3ccccc3)c3ccc(N(c4ccccc4)c4ccc5c(c4)C(C)(C)c4ccccc4-5)c(Br)c3)cc21
assistant