Complex sentence: Later, while hiding out in a fortified cabin, Alex recalls changing seats with two girls in his premonition, meaning Clear is actually next, and he rushes to save her while being chased by the agents.
Split into simpler sentences: Later, while hiding out in a fortified cabin, Alex recalls changing seats with two girls in his premonition. He realizes that Clear is actually next, and rushes to save her while being chased by the agents.