Complex sentence: Stu drugs the tiger with the remaining rohypnol and they drive towards Tyson's home in the Mercedes, but the tiger awakens and attacks them, claws Phil on his neck, and damages the car's interior.
Split into simpler sentences: Stu drugs the tiger with the remaining rohypnol, and they drive towards Tyson's home in the Mercedes. However, the tiger awakens and attacks them, clawing Phil on the neck and damaging the car's interior.