Complex sentence: The rocket pods are filled up by Pennyroyal sometime after he steals the "Jenny" at the end of "Predators Gold" and these rockets allow Tom Natsworthy and Hester Shaw to escape Brighton near the end of "Infernal Devices".
Split into simpler sentences: The rocket pods are filled up by Pennyroyal after he steals the "Jenny" at the end of "Predators Gold". These rockets allow Tom Natsworthy and Hester Shaw to escape Brighton near the end of "Infernal Devices".