2020
Pregnant ApoE ( - / - ) mice were given drinking water containing 85 mg / l NaAsO ( 2 ) ( 49 ppm arsenic ) from gestation day ( GD ) 8 to 18 .
 Chemical: NaAsO ( 2 ); Chemical: arsenic
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: NaAsO ( 2 ); Chemical: arsenic