Chicken Ratatouille

Name: Chicken Ratatouille
Ingredients: 1/4 cup vegetable oil; 4 boneless, skinless chicken breast halves, cut into 1-inch pieces; 1 medium-sized zucchini thinly sliced; 1 small eggplant, peeled and cut into 1-inch cubes; 1 large onion, thinly sliced; 1 medium-sized green bell pepper, seeded and cut into 1-inch pieces; 1/2 pound mushrooms, sliced; 1 can (14-1/2 ounces) whole tomatoes, broken up; 1 to 1-1/2 teaspoon garlic powder; 1 1/2 teaspoon salt; 1 teaspoon dried oregano; 1 teaspoon dried basil, crushed; 1 teaspoon parsley flakes; 1/2 teaspoon black pepper; 1/4 cup chopped green olives