MARK Minervini hasn’t hesitated to chase a quick back-up stakes triumph with Smiling Prophet at Wyong tomorrow. After the mare scored there at last Sunday’s Ladies Day meeting, the Newcastle trainer set his sights on doubling up in the $250,000 Group 3 Domeland Mona Lisa Stakes (1350m) at the Cup fixture. And he says the barrier is the key to her chances. “Smiling Prophet drew barrier one when she won a Midway Benchmark 64 Handicap over the same distance,” Minervini said toda