Complex sentence: Opened in 1977, the mall featured one anchor store (JCPenney) with five vacant anchors last occupied by Dillard's, Montgomery Ward, Mervyn's, Sears, and Macy's.
Split into simpler sentences: Opened in 1977, the mall featured one anchor store (JCPenney). Former anchors were Dillard's, Montgomery Ward, Mervyn's, Sears, and Macy's.