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We recently showed that TETA is metabolized in vitro by polyamine catabolic enzyme spermidine / spermine - N ( 1 ) - acetyltransferase ( SSAT1 ) and by thialysine acetyltransferase ( SSAT2 ) to its monoacetylated derivative ( MAT ) .
 Chemical: TETA; Chemical: polyamine; Chemical: spermidine; Chemical: spermine; Chemical: thialysine
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: TETA; Chemical: polyamine; Chemical: spermidine; Chemical: spermine; Chemical: thialysine