14033
Despite the importance of UDP - glucuronosyltransferase ( UGT ) 1A1 * 28 in irinotecan pharmacogenetics , our capability to predict drug - induced severe toxicity remains limited .
 Chemical: UDP; Chemical: irinotecan
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: UDP; Chemical: irinotecan