Remove stems and seeds from chiles. Combine chiles and water in a medium saucepan, and bring to a boil; remove from heat. Cover and let stand 1 hour. Drain and set aside.
Combine almonds and pumpkinseed kernels in a small skillet over medium heat. Cook for 5 minutes or until lightly browned, shaking skillet frequently. Remove from skillet, and set aside. Add sesame seeds to skillet, and place over medium heat; cook 2 minutes or until lightly browned, shaking skillet frequently. Remove from skillet, and set aside.
Coat a medium nonstick skillet with cooking spray, and place over medium heat until hot. Add onion and garlic, and sauté 5 minutes or until tender. Add cinnamon, cumin, and cloves, and cook for 1 minute, stirring constantly. Set aside.
Place almonds, pumpkinseed kernels, and sesame seeds in a food processor, and process until finely ground. Add tortilla pieces, and process until finely ground. Add chiles, onion mixture, chicken broth, and tomatoes, and process until smooth.
Pour mixture into a medium nonstick skillet. Add salt and chocolate, and cook over low heat 5 minutes or until chocolate melts, stirring frequently. Set mole aside.
Wrap 12 corn tortillas first in damp paper towels and then in aluminum foil; bake at 350° for 10 minutes or until softened. Spread 1 tablespoon mole over each tortilla; top each with 1/4 cup shredded chicken, and roll up. Place filled tortillas in a 13 x 9-inch baking dish. Cover and bake at 350° for 20 minutes.
Arrange 2 enchiladas on each of 6 serving plates; spoon 1/4 cup mole over each serving, and sprinkle with 1 tablespoon cheese. Top with sliced onions, shredded lettuce, and sliced radishes, if desired.