9132
The effects of 1 - nitro - 2 - phenylethane were reversed by 1H - [ 1 , 2 , 4 ] oxadiazolo [ 4 , 3 - a ] quinoxalin - 1 - one ( ODQ ) and comparable to the effects induced by sodium nitroprusside .
 Chemical: 1 - nitro - 2 - phenylethane; Chemical: 1H - [ 1 , 2 , 4 ] oxadiazolo [ 4 , 3 - a ] quinoxalin - 1 - one; Chemical: ODQ; Chemical: sodium nitroprusside
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: 1 - nitro - 2 - phenylethane; Chemical: 1H - [ 1 , 2 , 4 ] oxadiazolo [ 4 , 3 - a ] quinoxalin - 1 - one; Chemical: ODQ; Chemical: sodium nitroprusside