4970
NaHS , a H ( 2 ) S donor , dose - dependently increased NO production in cultured endothelial cells .
 Chemical: NaHS; Chemical: H ( 2 ) S; 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: NaHS; Chemical: H ( 2 ) S; Chemical: NO