1977
We report a 45-year-old Chinese man with CML and chronic hepatitis B virus infection, on imatinib treatment, presenting with herpetic rash and acute liver failure.
 adverse event: presenting 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: presenting 