6774
Inhibitors of sGC , CGRP , and voltage - dependent K ( + ) channels each significantly impaired the vasodilator response to NCA .
 Chemical: K ( + ); Chemical: NCA
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: K ( + ); Chemical: NCA