13096
The field of intracellular O - GlcNAc ( O - linked N - acetylglucosamine ) signaling has especially advanced with the advent of ETD MS .
 Chemical: O - GlcNAc; Chemical: O; Chemical: N - acetylglucosamine
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 - GlcNAc, O, N - acetylglucosamine 
Answer:
 Chemical: O - GlcNAc; Chemical: O; Chemical: N - acetylglucosamine