Which of these songs is NOT included in the Suicide Squad OST?

Skies on Fire - AC/DC is not included in the Suicide Squad OST because the song was not specifically created for the film and does not appear in the official soundtrack. The Suicide Squad OST mainly consists of songs that were selected and created specifically for the movie, with a focus on a specific theme or tone. While Skies on Fire is a popular and well-known AC/DC song, it was not chosen to be a part of the official soundtrack compilation for the film.