8399
CoNCLUSION : Although further research is required , ( 129 ) I - labeling of proteins seems a feasible method for AMS microdose studies with peptide and protein drugs , such as biosimilars .
 Chemical: ( 129 ) I
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: ( 129 ) I