6884
This inductive effect was blocked by the addition of 6 ' , 7 ' - dihydroxybergamottin , a selective CYP3A4 inhibitor .
 Chemical: 6 ' , 7 ' - dihydroxybergamottin
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: 6 ' , 7 ' - dihydroxybergamottin