4 tablespoons low-sodium soy sauce, divided
2 teaspoons toasted sesame oil, divided
1 pound skinless, boneless chicken breasts
1/2 head napa cabbage, thinly shredded (about 6 cups)
1/4 head red cabbage, shredded (about 2 cups)
1 large carrot, shredded (about 2 cups)
3 scallions, trimmed and thinly sliced, greens included (about 1/2 cup)
1 (8-ounce) can sliced water chestnuts
1 (11-ounce) can Mandarin oranges in water, drained
1/3 cup rice wine vinegar
1 teaspoon minced garlic
1 teaspoon minced ginger
2 tablespoons canola oil
2 tablespoons brown sugar
1 1/2 teaspoons chili-garlic sauce or chili sauce
1/4 cup sliced almonds, toasted