7056
The clinical use of arsenic trioxide ( ATO ) , a potent anti - neoplastic agent , is often limited because of its severe cardiotoxicity .
 Chemical: arsenic trioxide; Chemical: ATO
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: arsenic trioxide; Chemical: ATO