340
In addition, an immediate erythematous macule was observed on the photopatch test site of mequitazine directly after UV exposure which was similar to the immediate erythema noted in chlorpromazine photoallergy.
 adverse event: observed 
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: observed 