Kirkland & Ellis signed a 65,319-square-foot deal at the 200 East Randolph St. in the East Loop area of Chicago. The Class-A, 82-story office tower, known as The Aon Center, consists of rentable square footage in excess of 2.5 million square feet. The building is 1,136 feet tall and includes a lower-level plaza that features a reflecting pool. Among the host of amenities that Aon Center offers tenants is a 25,000-square-foot full service cafeteria, a 243-seat auditorium, and a heat four-level parking garage with a capacity for 800 cars.