8257
Arsenate reductase activity was found to be conferred by arsC gene , which in many strains was coupled with arsenite efflux gene arsB as well .
 Chemical: Arsenate; Chemical: arsenite
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: Arsenate; Chemical: arsenite