26360
In addition to the effect seen in the abdominal constriction model , SAE was also able to inhibit the hyperalgesia induced by carrageenan and prostaglandin E2 ( PGE2 ) in mice .
 Chemical: prostaglandin E2; Chemical: PGE2
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: prostaglandin E2, PGE2 
Answer:
 Chemical: prostaglandin E2; Chemical: PGE2