Complex sentence: She died on November 18,1996 of a drug overdose just a month after completing her final and largest work titled "It's All About Me, Not You", which has become a permanent installation at the Mattress Factory in Pittsburgh.
Split into simpler sentences: She died on November 18,1996 of a drug overdose. Her final show, It's All About Me, Not You, has become a permanent installation at the Mattress Factory in Pittsburgh.