6012
In Caco - 2 cells , emodin elevated the accumulation of R - 123 and decreased the efflux ratio of R - 123 , which indicates the inhibition of P - gp function .
 Chemical: R - 123; Chemical: R - 123
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: R - 123; Chemical: R - 123