You are in the room of a 26-week gestational baby that has j…

You are in the room of a 26-week gestational baby that has just been born. The newborn weighs 1200 g. On assessment you find the baby has poor color, substernal retractions, nasal flaring, a RR of 45 breaths/min, and a HR of 140 beats/min. You note that the baby is difficult to bag. Which of the following agents would you recommend?