2781
The study that how As ( 2 ) O ( 3 ) in combination with resveratrol affects hepatotoxicity and arsenic accumulation in the liver is lacking , and the present study tackles this question .
 As ( 2 ) O ( 3 ), resveratrol, arsenic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 As ( 2 ) O ( 3 ), resveratrol, arsenic