Mango Chicken Salad with Couscous

INGREDIENTS

• 1/4 cup Moroccan couscous
• 1 1/2 tablespoons finely chopped green bell pepper
• 1 1/2 tablespoons finely chopped red bell pepper
• 1/4 cup finely chopped red onion
• 1/2 cup fresh lemon juice
• 4 tablespoons extra-virgin olive oil, divided
• 1 tablespoon canola oil
• 4 boneless, skinless chicken breasts (3 ounces each)
• 1/3 cup fresh lime juice
• 1/4 cup Japanese rice vinegar
• 2 tablespoons whole-grain mustard
• 2 tablespoons honey
• 2 teaspoons reduced-sodium soy sauce
• 1/2 head romaine
• 1/2 head frisée
• 1/2 head hydro Bibb lettuce
• 1 cup arugula
• 1/2 mango, thinly sliced