2901
First , we identified suitable condition of UV - irradiation ( 3 . 5 J / cm ( 2 ) ) by investigating the effect of UVA irradiation on intracellular IL - 18 on untreated or chloropromazine ( a representative phototoxic compound ) - treated NCTC2544 cells .
 Chemical: chloropromazine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: chloropromazine