3698
Therefore , matrine and oxymatrine may have the potential to cure LQT2 as a potassium channel activator by promoting hERG channel activation and increasing hERG channel expression .
 Chemical: matrine; Chemical: oxymatrine; Chemical: potassium
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: matrine; Chemical: oxymatrine; Chemical: potassium