Drain tomatoes, reserving juice; coarsely chop tomatoes. Pound chicken with a meat mallet to 1/4-in. thickness. Rub with rosemary, salt and pepper. In a large skillet, heat 2 teaspoons oil over medium heat. Add chicken; cook 5-6 minutes on each side or until no longer pink. Remove and keep warm., In same pan, heat remaining oil over medium-high heat. Add spinach and garlic; cook and stir 2-3 minutes or until spinach is wilted. Stir in beans, tomatoes and reserved juice; heat through. Serve with chicken.