10502
Among the carboranes synthesized , compounds 1 and 2 showed significant inhibition of hypoxia - induced HIF - 1 transcriptional activity , with IC ( 50 ) values of 3 . 2 and 2 . 2 mu M , respectively .
 Chemical: carboranes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: carboranes 
Answer:
 Chemical: carboranes