23667
A alpha C ( 400 or 800 ppm ) and 2 - amino - 3 , 4 - dimethylimidazo [ 4 , 5 - f ] quinoline ( MeIQ ) ( 300 ppm ) , a liver and colon carcinogen in C57BL / 6 mice , were given in the diet for up to 12 weeks .
 Chemical: 2 - amino - 3 , 4 - dimethylimidazo [ 4 , 5 - f ] quinoline; Chemical: MeIQ
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: 2 - amino - 3 , 4 - dimethylimidazo [ 4 , 5 - f ] quinoline; Chemical: MeIQ