21177
In this setting , S - nitrosocysteine ( 10 mu m ) effectively blocked the Trx - mediated regeneration of oxidized Prx1 .
 Chemical: S - nitrosocysteine
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: S - nitrosocysteine 
Answer:
 Chemical: S - nitrosocysteine