Grilled Swordfish With Orange, Onion And Toma

• 2 oranges
• 2 swordfish
• 1 tomato
• 1/4 dice
• 240 ml orange juice
• 120 ml wine vinegar (red)
• 28 gr brown sugar
• 22 gr onion (finely chopped red)
• 8 gr ciilantro (chopped)