Broiled Chicken With Peppers

Name: Broiled Chicken With Peppers
Ingredients: 1 russet potato, peeled and cut into 1-inch cubes; Kosher salt; 8 small skin-on, bone-in chicken thighs (about 2 1/4 pounds); 1 heaping tablespoon dried oregano; Freshly ground pepper; 3 tablespoons extra-virgin olive oil; 1 medium onion, cut into 1-inch pieces; 1 large green bell pepper, cut into 1 1/2-inch pieces; 6 cloves garlic, smashed; 4 to 6 pickled cherry peppers, seeded and sliced, plus 1/3 cup brine; 1/4 cup roughly chopped fresh parsley