Towing 7000 lbs on 2007 Saturn Outlook

How do I tow 7000 lbs of a trailer with a car on it behind saturn outlook for a one way trip 1200 miles (heard the transmission may need changing)??

Asked by for the 2007 Saturn Outlook
way too much for the vehicle. would not reccomend even attempting this.

I'm totally with him on that that's definitely not safe