Complex sentence: The Gladers are offered the chance to remove the mind-control chips in their heads and so restore their memories, but with the devices removed, Thomas, Teresa, and Aris will no longer be able to communicate telepathically.
Split into simpler sentences: The Gladers are offered the chance to remove the mind-control chips in their heads and so restore their memories. With the devices removed, Thomas, Teresa, and Aris will no longer be able to communicate telepathically.