12959
The cis - [ Ru ( bpy ) ( 2 ) ( py ) NO ( 2 ) ] ( PF ( 6 ) ) specie ( RuBPY ) has been used as nitric oxide ( NO ) delivery agent .
 Chemical: cis - [ Ru ( bpy ) ( 2 ) ( py ) NO ( 2 ) ] ( PF ( 6 ) ); Chemical: RuBPY; Chemical: nitric oxide; Chemical: NO
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: cis - [ Ru ( bpy ) ( 2 ) ( py ) NO ( 2 ) ] ( PF ( 6 ) ); Chemical: RuBPY; Chemical: nitric oxide; Chemical: NO