Complex sentence: In August 2011, Charlie's Burgers launched its own Champagne, a Grand Cru, Blanc de Blancs from a grower from Oger, Marne, France.
Split into simpler sentences: In August 2011, Charlie's Burgers launched its own Champagne. The Champagne, a Grand Cru, Blanc de Blancs is a grower Champagne from Oger, Marne, France.