Friday night smoky chicken sub

Name: Friday night smoky chicken sub
Ingredients: 400g skinless chicken breast, sliced; 2 teaspoons oil; ¼ teaspoon salt (optional); 1 tablespoon smoked paprika; 1 teaspoon ground pepper or freshly cracked pepper; ½ teaspoon chilli powder or 1 teaspoon chilli flakes (optional); ½ large iceberg lettuce*, shredded; ½ cucumber*, thinly sliced into rounds or batons; 1 red onion, thinly sliced; 1 large capsicum, sliced; 2 large carrots, cut into thin matchsticks or grated; 4-6 hot dog rolls or short baguettes; Mayonnaise, aioli or your favourite sauce (optional)