Complex sentence: As speculative fiction, the concept is a prime example of a "gedanken experiment", an examination of the consequences to society of a new technology (in this case, the perfection of organ transplants), carried to their logical conclusion.
Split into simpler sentences: As speculative fiction, the concept is a prime example of a "gedanken experiment". It is an examination of the consequences to society of a new technology (in this case, the perfection of organ transplants), carried to their logical conclusion.