3693
Our aim was to develop cardioprotective agents to decrease As ( 2 ) O ( 3 ) - induced cardiotoxicity .
 Chemical: As ( 2 ) O ( 3 )
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: As ( 2 ) O ( 3 )