24869
Rat liver epithelial cells ( WB - F344 ) were stained with the fluorescent dye Calcein AM ( acetoxymethyl ) and exposed to TPM from the Kentucky Reference Cigarette 2R4F ( a blend of Bright and Burley tobaccos ) and from two single - tobacco cigarettes ( Bright and Burley ) for 3h .
 Chemical: Calcein AM; Chemical: acetoxymethyl
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: Calcein AM; Chemical: acetoxymethyl