1010
METHODS : Rats were treated with intravenous doxorubicin ( 1 mg kg ( - 1 ) week ( - 1 ) ) for 7 weeks and were sacrificed either 1 week ( ' short - term ' ) or 30 weeks ( ' long - term ' ) following the last dose .
 Chemical: doxorubicin
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: doxorubicin