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In the present paper, we describe two patients with active UC who developed a severe systemic CMV infection during a treatment with an oral microemulsion form of cyclosporine.
 two patients with active UC: Subject; two: Subject.Population; severe systemic CMV infection: Effect; oral microemulsion form of cyclosporine: Treatment; oral: Treatment.Route; cyclosporine: Treatment.Drug; active UC: Treatment.Disorder
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:
 two patients with active UC: Subject; two: Subject.Population; severe systemic CMV infection: Effect; oral microemulsion form of cyclosporine: Treatment; oral: Treatment.Route; cyclosporine: Treatment.Drug; active UC: Treatment.Disorder