5029
Microarray was performed for gene expression profile of 5 - ASA - treated and untreated cells ( HCT116 and HT29 ) .
 Chemical: 5 - ASA
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 - ASA