You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a organic light-emitting device.
user
CC1(C)c2ccccc2-c2ccc(N(c3ccc4c(c3)C(C)(C3(C)c5ccccc5-c5ccc(N(c6ccc7c(c6)C(C)(C)c6ccccc6-7)c6cccc7ccccc67)cc53)c3ccccc3-4)c3cccc4ccccc34)cc21
assistant