PLACE peppers with sauce in food processor or blender container; cover. Process until pureed. Transfer to bowl. Add mayonnaise and orange juice; stir with wire whisk until well blended. Set aside.
PLACE chicken on hot grill. Grill 4 to 5 minutes on each side or until cooked through, brushing each breast with 2 Tbsp. of the mayonnaise mixture during the last few minutes of grilling time.
FOR each serving: Toss 2 cups of the greens with 2 tbsp. of the mayonnaise mixture; place on serving plate. Top with 1 chicken breast, cut into strips, and 1 tomato, cut into wedges. Drizzle with 1/4 cup of the remaining mayonnaise mixture.