2052
Acrolein is a urinary metabolite from cyclophosphamide and can induce hemorrhagic cystitis .
 Chemical: Acrolein; Chemical: cyclophosphamide
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: Acrolein; Chemical: cyclophosphamide