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Caution should be exercised, especially in patients who are given voriconazole or fluconazole during long-lasting fentanyl treatment, because insidiously elevated fentanyl concentration may lead to respiratory depression.
 patients: Subject; respiratory depression: Effect; fentanyl: Treatment; voriconazole: Treatment.Drug; fluconazole: Treatment.Drug; fentanyl: Treatment.Drug; voriconazole: Combination.Drug; fluconazole: Combination.Drug
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 patients: Subject; respiratory depression: Effect; fentanyl: Treatment; voriconazole: Treatment.Drug; fluconazole: Treatment.Drug; fentanyl: Treatment.Drug; voriconazole: Combination.Drug; fluconazole: Combination.Drug