A 45-year-old male patient is being administered IV diazepam…

A 45-year-old male patient is being administered IV diazepam in the emergency department for acute agitation and seizures. After receiving the medication, the patient becomes increasingly drowsy and is having difficulty maintaining a clear airway. The attending physician suspects possible overdose and decides to administer an antidote. Which of the following is the most appropriate antidote for the benzodiazepine overdose in this patient?