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 light-emitting device class of molecules.
user
CC1(C)c2ccccc2-c2ccc(N(c3ccc(-c4ccc5c(c4)N(c4ccccc4)c4ccccc4C5(C)C)cc3)c3ccc4c(c3)C(C)(C)c3ccccc3-4)cc21
assistant