Tequila Lime Chicken Tacos with Radish Avocado Salad

Name: Tequila-Lime Chicken Tacos with Radish-Avocado Salad
Ingredients: 1/2 cup (4 fl. oz./125 ml) good-quality tequila; 1/2 cup (4 fl. oz./125 ml) fresh orange juice (from 1 to 2 oranges); 1/3 cup (3 fl. oz./80 ml) plus 1 Tbs. fresh lime juice; 2 Tbs. plus 2 tsp. olive oil; 1 1/2 tsp. chili powder; Kosher salt and freshly ground pepper; 2 lb. (1 kg) boneless, skinless chicken breasts; 4 watermelon, French or plain red radishes, halved and thinly sliced; 2 firm but ripe avocados, pitted, peeled, and cut into 1/2-inch (12-mm) cubes; 10 to 12 flour or corn tortillas, warmed