28096
In the present study , we designed a novel synthesis of S14161 and prepared a series of its analogues via the oxa - Michael - Henry reaction in the presence of catalytic amounts of l - proline and triethylamine .
 Chemical: S14161; Chemical: l - proline; Chemical: triethylamine
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: S14161, l - proline, triethylamine 
Answer:
 Chemical: S14161; Chemical: l - proline; Chemical: triethylamine