22018
5 - Fluorouracil ( 5 - FU ) is the most used chemotherapeutic agent in colorectal cancer .
 Chemical: 5 - Fluorouracil; Chemical: 5 - FU
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: 5 - Fluorouracil; Chemical: 5 - FU