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Acute asymptomatic hepatitis in a healthy normal volunteer exposed to 2 oral doses of amodiaquine and artesunate.
 a healthy normal volunteer: Subject; Acute asymptomatic hepatitis: Effect; 2 oral doses of amodiaquine and artesunate: Treatment; oral: Treatment.Route; 2: Treatment.Dosage; amodiaquine: Treatment.Drug; artesunate: Treatment.Drug; artesunate: Combination.Drug; amodiaquine: 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:
 a healthy normal volunteer: Subject; Acute asymptomatic hepatitis: Effect; 2 oral doses of amodiaquine and artesunate: Treatment; oral: Treatment.Route; 2: Treatment.Dosage; amodiaquine: Treatment.Drug; artesunate: Treatment.Drug; artesunate: Combination.Drug; amodiaquine: Combination.Drug