28545
PPT replacement also increased the cocaine response relative to vehicle - or DPN - treated Ovx mice .
 Chemical: PPT; Chemical: cocaine; Chemical: DPN
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: PPT; Chemical: cocaine; Chemical: DPN