Rub 1 tablespoon vegetable oil over chicken breast. In a medium saucepan over medium heat, cook chicken approximately 5 minutes per side, until meat is no longer pink and juices run clear. Remove from heat and set aside. Heat remaining 1 tablespoon vegetable oil in a medium saucepan over medium heat. Stir in green onion and red pepper. Cook and stir 5 minutes, until tender. Dice chicken and mix into the pan with onion and red pepper. Mix in corn, black beans, spinach, jalapeno peppers, parsley, cumin, chili powder, salt and cayenne pepper. Cook and stir 5 minutes, until well blended and tender. Remove from heat and stir in Monterey Jack cheese so that it melts. Wrap tortillas with a clean, lightly moist cloth. Microwave on high approximately 1 minute, or until hot and pliable.