2644
The carbonylation of each particular protein was quantified by combining the labelling of protein carbonyls by fluorescein - 5 - thiosemicarbazide ( FTSC ) with 1 - D or 2 - D gel electrophoresis .
 Chemical: fluorescein - 5 - thiosemicarbazide; Chemical: FTSC
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: fluorescein - 5 - thiosemicarbazide, FTSC 
Answer:
 Chemical: fluorescein - 5 - thiosemicarbazide; Chemical: FTSC