2744
Thus , despite the similar structures of TETA and SpmTrien , SSAT2 is the main acetylator of TETA , whereas SpmTrien is primarily acetylated by SSAT1 .
 Chemical: TETA; Chemical: SpmTrien; Chemical: TETA; Chemical: SpmTrien
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: TETA, SpmTrien, TETA, SpmTrien 
Answer:
 Chemical: TETA; Chemical: SpmTrien; Chemical: TETA; Chemical: SpmTrien