22815
Remarkably , 4 - PIOL was found to be more than four times as potent as the drug TXA .
 Chemical: 4 - PIOL; Chemical: TXA
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: 4 - PIOL; Chemical: TXA