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In continuation of our search for bioactive secondary metabolites from terrestrial Bacillus spp . , a new microbial diketopiperazine , cis - cyclo - ( His , Leu ) ( 1 ) was isolated from the ethyl acetate extract of a strain B . subtilis B38 , together with cis - cyclo - ( Phe , Phe ) ( 2 ) , tryptophane ( 3 ) , cis - cyclo - ( Leu , Tyr ) ( 4 ) , cis - cyclo - ( Trp , Tyr ) ( 5 ) and macrolactin A ( 6 ) .
 Chemical: diketopiperazine; Chemical: cis - cyclo - ( His , Leu ); Chemical: ethyl acetate; Chemical: cis - cyclo - ( Phe , Phe ); Chemical: tryptophane; Chemical: cis - cyclo - ( Leu , Tyr ); Chemical: cis - cyclo - ( Trp , Tyr ); Chemical: macrolactin A
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: diketopiperazine; Chemical: cis - cyclo - ( His , Leu ); Chemical: ethyl acetate; Chemical: cis - cyclo - ( Phe , Phe ); Chemical: tryptophane; Chemical: cis - cyclo - ( Leu , Tyr ); Chemical: cis - cyclo - ( Trp , Tyr ); Chemical: macrolactin A