23093
Male wistar rats were subjected to single intratracheal instillation of 2 . 5U / kg of bleomycin on day 0 .
 Chemical: bleomycin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: bleomycin 
Answer:
 Chemical: bleomycin