12958
Nitric oxide generated by the compound RuBPY promotes the vascular smooth cell membrane hyperpolarization .
 Chemical: Nitric oxide; Chemical: RuBPY
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: Nitric oxide; Chemical: RuBPY