13996
Particularly , compound 3a was more potent than 5 - fluorouracil against all tested human cancer cell lines .
 Chemical: 5 - fluorouracil
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: 5 - fluorouracil 
Answer:
 Chemical: 5 - fluorouracil