24566
As this site has two potential O - glycosylation sites we tested whether recombinant GalNAc - transferases ( GalNAc - Ts ) could glycosylate a synthetic peptide covering the IRTT sequence .
 Chemical: O; Chemical: GalNAc; Chemical: GalNAc
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: O, GalNAc, GalNAc 
Answer:
 Chemical: O; Chemical: GalNAc; Chemical: GalNAc