Combine marinade ingredients add chicken breasts 2 to 24 hours.
Grill chicken breasts.
Preheat oven to 350 degrees F.
Place the mayonnaise and chipotle chiles in a food processor and blend until smooth. Generously spread the cut sides of the rolls with the chipotle mayonnaise. Cover the bottom half of each roll with 1 thinly sliced chicken breast, overlapping the slices. Top each portion of chicken with 5 slices of tomato and 4 slices of avocado. Cover with 2 slices of cheese.
Place assembled sandwiches open faced on a sheet pan and bake until cheese is melted, about 8 minutes. Cover the sandwiches, slice in half and serve immediately.