11625
Promiscuous catalysis of asymmetric Michael - type additions of linear aldehydes to beta - nitrostyrene by the proline - based enzyme 4 - oxalocrotonate tautomerase .
 Chemical: aldehydes; Chemical: beta - nitrostyrene; Chemical: proline; Chemical: 4 - oxalocrotonate
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: aldehydes; Chemical: beta - nitrostyrene; Chemical: proline; Chemical: 4 - oxalocrotonate