5834
Pre - incubation with beta - NAPDH reduced the acetylcholine - induced endothelium - dependent relaxation ; this attenuation was reversed by boldine .
 Chemical: beta - NAPDH; Chemical: acetylcholine; Chemical: boldine
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: beta - NAPDH; Chemical: acetylcholine; Chemical: boldine