Stir together the oil, chipotles, garlic powder, cumin, oregano and pepper. Place the chicken in a baking dish or ziplock bag and add the marinade, tossing well to coat. Marinate for at least 1 hour or up to 8 hours.
Heat the broiler in your oven to high. Line a baking sheet with aluminum foil. Place hte chicken on the foil and broil it for 7 minutes. Flip it, then broil for 7 minutes more. Let the chicken sit for 5 minutes before slice.
To assemble the salad, arrange the greens in a large bowl or platter with the bacon, strawberries, corn, avocado and chicken. Toss with the vinaigrette and serve!