7460
Biotransformation of asiatic acid by S . griseus CGMCC 4 . 18 resulted in three derivatives : 2 alpha , 3 beta , 21 beta , 23 - tetrahydroxyurs - 12 - en - 28 - oic acid ( 3 ) , 2 alpha , 3 beta , 23 - trihydroxyurs - 12 - en - 28 , 30 - dioic acid ( 4 ) , and 2 alpha , 3 beta , 23 , 30 - tetrahydroxyurs - 12 - en - 28 - oic acid ( 5 ) .
 Chemical: asiatic acid; Chemical: 2 alpha , 3 beta , 21 beta , 23 - tetrahydroxyurs - 12 - en - 28 - oic acid; Chemical: 2 alpha , 3 beta , 23 - trihydroxyurs - 12 - en - 28 , 30 - dioic acid; Chemical: 2 alpha , 3 beta , 23 , 30 - tetrahydroxyurs - 12 - en - 28 - oic acid
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: asiatic acid; Chemical: 2 alpha , 3 beta , 21 beta , 23 - tetrahydroxyurs - 12 - en - 28 - oic acid; Chemical: 2 alpha , 3 beta , 23 - trihydroxyurs - 12 - en - 28 , 30 - dioic acid; Chemical: 2 alpha , 3 beta , 23 , 30 - tetrahydroxyurs - 12 - en - 28 - oic acid