Catherine's Spicy Chicken Soup

2 quarts water

8 skinless, boneless chicken breast halves

½ teaspoon salt

1 teaspoon ground black pepper

1 teaspoon garlic powder

2 tablespoons dried parsley

1 tablespoon onion powder

5 cubes chicken bouillon

3 tablespoons olive oil

1 onion, chopped

3 cloves garlic, chopped

1 (16 ounce) jar chunky salsa

2 (14.5 ounce) cans peeled and diced tomatoes

1 (14.5 ounce) can whole peeled tomatoes

1 (10.75 ounce) can condensed tomato soup

3 tablespoons chili powder

1 (15 ounce) can whole kernel corn, drained

2 (16 ounce) cans chili beans, undrained

1 (8 ounce) container sour cream