Complex sentence: In October 2007, Tim Hortons launched the chicken fajita wrap, which contains spiced chicken and sautéed vegetables, but was soon discontinued, replaced a year later with the barbecue and ranch chicken wrap snackers.
Split into simpler sentences: In October 2007, they launched a chicken fajita wrap, which contained spiced chicken and sautéed vegetables. This was discontinued and replaced a year later with the barbecue and ranch chicken wrap snackers.