9971
Systemic administration of oxytocin recapitulates many of its effects when administered centrally , raising the questions of whether and to what extent circulating oxytocin contributes to energy regulation .
 Chemical: oxytocin; Chemical: oxytocin
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: oxytocin; Chemical: oxytocin