Thaw spinach, rinse and drain. Boil chicken, drain, trim fat, and chop or shread. Preheat oven to 350. In a lg mixing bowl, mix 1/2 a container of parmesean, 3/4 bag of mozzarella, cottage cheese, spinach, chicken, and italian dressing packet. In a 9x13 baking dish put a thin layer of sauce. Then a layer of dry uncooked noodles. Next, mix remainder of sauce with chicken cheese mixture. From here on continue layering chicken cheese mixture, noodle, mixture, noodle until you are out of noodles. Put final layer of cheese chicken mixture on top. Then sprinkle remainder mozarella and parmesean for final layer. Put aluminum foil over top and bake until noodles are soft. Approx, 25-35 minutes. Uncover, and bake until cheese on top is golden brown. (hint turn oven to broil and watch closely to brown cheese)