Right now you're facing a closed door. Turn right and move forward to exit the room. Now turn right and you can see a dining table. Move towards the dining table, now you can see a closed door in front of you. Move towards that closed door and turn left. Here, you can see a small staircase. Get down the stairs and stand at a point where on the left side you can see stairs and on the right side you can see a window and that is the end point.