You are facing towards the steps, slightly turn left and move forward, you can find three opened doors infront of you, move towards the middle door and enter into the room, you can find three opened doors infront of you, move towards the first door from your left, now you are infront of the room, move a bit forward, where to the left, you can find an opened door and to the right, you can find a closed door, that would be your end point.