7693
Supporting evidence has shown altered 3 - hydroxykynurenine levels in samples of patients from several disorders .
 Chemical: 3 - hydroxykynurenine
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: 3 - hydroxykynurenine