1513
Male Sprague - Dawley rats were injected with saline on postnatal day ( P ) 20 , or a convulsant dose of pilocarpine on P20 or P45 .
 Chemical: pilocarpine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: pilocarpine