Quick and Easy Baked Chicken Fajitas
1 (14.5 ounce) can diced tomatoes for chili 1 green bell pepper, cut into strips, or to t… 1 large onion, cut in strips 1 pinch dried oregano, or to taste 1 pinch ground cumin, or to taste 1 red bell pepper, cut into strips, or to tas… 1 teaspoon chili powder, or to taste 1 teaspoon garlic granules, or to taste 2 pounds boneless skinless chicken breasts, c… ¼ cup olive oil, divided ½ (4 ounce) can chopped green chiles ½ teaspoon seasoned salt, or to taste