Bring A Large Pot Of Lightly Salted Water To A Boil. Add Orzo Pasta, Cook For 8 To 10 Minutes, Until Al Dente, And Drain. Heat The Oil In A Skillet Over Medium-High Heat, And Cook The Garlic And Red Pepper 1 Minute, Until Garlic Is Golden Brown. Stir In Chicken, Season With Salt, And Cook 2 To 5 Minutes, Until Lightly Browned And Juices Run Clear. Reduce Heat To Medium, And Mix In The Parsley And Cooked Orzo. Place Spinach In The Skillet. Continue Cooking 5 Minutes, Stirring Occasionally, Until Spinach Is Wilted. Serve Topped With Parmesan Cheese.