Grilled Chicken Panzanella Recipe

Name: Grilled Chicken Panzanella Recipe
Ingredients: 1 (9-ounce) baguette, halved lengthwise; 16 ounces boneless, skinless, chicken breast (about 2 large breast halves); 10 tablespoons olive oil, divided; Kosher salt and freshly ground black pepper; 2 pounds tomatoes (about 4 to 5 large), cored, cut into 1 1/2-inch cubes; 1 English cucumber, halved, cut into 1/2-inch half moons; 1/2 small red onion, sliced thin; 1/2 cup pitted kalamata olives, halved; 3/4 cup basil leaves, roughly torn; 3 tablespoons red wine vinegar; 2 tablespoons balsamic vinegar