2286
Nitroglycerin , up to 0 . 3 micrograms / kg , selectively increased circumflex artery diameter ( CxAD ) without simultaneously affecting any other cardiac or systemic hemodynamic parameter .
 Chemical: Nitroglycerin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Nitroglycerin