Given the task definition and input, reply with output. 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.

Heat large skillet sprayed with cooking spray on medium-high heat.,Add chicken; cover.,Cook 5 min.,on each side or until browned on both sides.,Add vegetables, pesto and water; cover.,______,or until chicken is done (170 degrees F).,Sprinkle with cheese.,Remove from heat.,Let stand, covered, 5 min.
Bring to boil; cook on medium heat 6 to 8 min.