Black Bean Chicken Bowl with Citrus Vinaigrette

Name: Black Bean Chicken Bowl with Citrus Vinaigrette
Ingredients: 1 cup converted white rice; 1/4 cup orange juice; 1/4 cup white vinegar; 1/4 cup extra-virgin olive oil; Kosher salt and freshly ground pepper; 1 pound skinless, boneless chicken thighs, cut into 1 1/2-inch pieces; 3/4 teaspoon dried oregano; 1 small red bell pepper, chopped; 1 15-ounce can black beans, drained and rinsed; 4 cloves garlic, finely chopped; 3/4 teaspoon ground cumin; 1/2 cup fresh cilantro, roughly chopped, plus more for topping