24992
Hybrid Molecule from O ( 2 ) - ( 2 , 4 - Dinitrophenyl ) diazeniumdiolate and Oleanolic Acid : a GST pi Activated Nitric Oxide Prodrug with Selective Anti - human Hepatocellular Carcinoma Activity and Improved Stability .
 Chemical: O ( 2 ) - ( 2 , 4 - Dinitrophenyl ) diazeniumdiolate; Chemical: Oleanolic Acid; Chemical: Nitric Oxide
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: O ( 2 ) - ( 2 , 4 - Dinitrophenyl ) diazeniumdiolate; Chemical: Oleanolic Acid; Chemical: Nitric Oxide