7889
An understanding of acrolein and CAA toxicities and the ability of protecting agents to protect against toxicities may help to establish or improve existing therapeutic interventions against the side effects associated with acrolein or CAA in cyclophosphamide or ifosfamide treatment .
 acrolein, CAA, acrolein, CAA, cyclophosphamide, ifosfamide
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 acrolein, CAA, acrolein, CAA, cyclophosphamide, ifosfamide