CHICAGO — The Chicago office of Hines has acquired One North Wacker, a 51-story, 1.4 million-square-foot office tower located in Chicago’s West Loop, on behalf of Hines U.S. Core Office Fund LP. The building includes a 9,000-square-foot conference center, a health club and a two-level parking garage. It is 98 percent leased to tenants that include UBS, PricewaterhouseCoopers and Citadel. The property was acquired from a German investment fund managed by RREEF, which was represented in the transaction by Eastdil Secured. The acquisition price was not disclosed.