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Ifosfamide ( IFO ) is a highly effective chemotherapeutic agent for treating a variety of pediatric solid tumors .
 Chemical: Ifosfamide; Chemical: IFO
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: Ifosfamide; Chemical: IFO