3262
There was a prolonged elimination of the radioactivity after the injection of 14C - 41 099 to rats and dogs .
 Chemical: 14C - 41 099
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: 14C - 41 099