3695
Long - term treatment with 1 mu M matrine or oxymatrine increased expression of the hERG protein and rescued the hERG surface expression disrupted by As ( 2 ) O ( 3 ) .
 Chemical: matrine; Chemical: oxymatrine; Chemical: As ( 2 ) O ( 3 )
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: As ( 2 ) O ( 3 )