Ginger Scallion Chicken Wraps

Name: Ginger Scallion Chicken Wraps
Ingredients: ½ head napa cabbage (shredded); ½ head purple cabbage (shredded); 1 yellow bell pepper (cut into matchsticks); 1 red bell pepper (cut into matchsticks); ½ english cucumber (cut into matchsticks); 6 ounces shitake mushrooms (sliced); 2 tablespoons vegetable oil; 2 cooked chicken breasts (shredded); 1 bunch scallions (thinly sliced (about 1 ¼ cup total)); 1 3- inch piece of ginger (peeled and very finely minced); 4 cloves garlic (minced); 4 teaspoons toasted sesame oil; 8 tablespoons soy sauce; 4 tablespoons rice vinegar; 1/3 cup vegetable oil; 1 teaspoon red pepper flakes; 4 Large Spinach tortilla wraps