Need Help burning Pso using discjuggler, the files to big

I got the Pso files into .cdi but it's 791mb cdi file and when i try to burn it with discjuggler the file's to big. Does anyone have any clue as to what to do, cause i am clueless as to what to do. Do i have to download different rar's or get bigger cd's. If anyone knows please post thanks.