12908
In rats treated with vehicle in the CeA , hypertonic BVE increased urinary volume , sodium excretion , plasma oxytocin ( OT ) , vasopressin ( AVP ) and atrial natriuretic peptide ( ANP ) levels and also increased the expression of OT and AVP mRNA in the Pa and SON .
 Chemical: oxytocin
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: oxytocin 
Answer:
 Chemical: oxytocin