A 58-year-old man with a history of hypertension and diabetes mellitus presents to the emergency department after collapsing at home. His wife initiated cardiopulmonary resuscitation (CPR) immediately. On arrival, the monitor shows ventricular fibrillation (VF). After 3 minutes of high-quality CPR and one defibrillation attempt without return of spontaneous circulation (ROSC), adrenaline 1 mg IV is administered. The team continues CPR. At 5 minutes into the arrest, the rhythm remains VF. Which of the following is the most appropriate next intervention according to current ACLS guidelines?