9134
In vitro , 1 - nitro - 2 - phenylethane increased cyclic guanosine 3 ' , 5 ' - monophosphate ( cGMP ) levels in rat aortic rings , an effect also reversed by ODQ .
 Chemical: 1 - nitro - 2 - phenylethane; Chemical: cyclic guanosine 3 ' , 5 ' - monophosphate; Chemical: cGMP; Chemical: ODQ
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: cyclic guanosine 3 ' , 5 ' - monophosphate; Chemical: cGMP; Chemical: ODQ