You will be given a definition of a task first, then some input of the task.
In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

Preheat oven to 450F.,Line bottom of a broiler pan with foil, then oil rack of pan.,______,Arrange salmon, skin side down, on rack of broiler pan and pat dry.,Reserve 1 1/2 tablespoons glaze in a small bowl for brushing after broiling.,Brush salmon generously with some of remaining glaze.,Let stand 5 minutes, then brush with more glaze.,Roast salmon in middle of oven 10 minutes.,Turn on broiler and brush salmon with glaze again, then broil 4 to 5 inches from heat until just cooked through, 3 to 5 minutes.,Transfer salmon with 2 wide metal spatulas to a platter, then brush with reserved glaze using a clean brush.
Output:
Boil soy sauce and maple syrup in a small saucepan over moderate heat until glaze is reduced to 1/3 cup, about 5 minutes.