7466
The high - efficacy agonist R ( - ) - norpropylapomorphine [ ( - ) - NPA ] , low - efficacy agonist aripiprazole ( ARI ) , and antagonist eticlopride ( ETIC ) were administered acutely to monkeys self - administering cocaine under a food - cocaine choice procedure in which a cocaine self - administration dose - effect curve was determined daily .
 Chemical: R ( - ) - norpropylapomorphine; Chemical: ( - ) - NPA; Chemical: aripiprazole; Chemical: ARI; Chemical: eticlopride; Chemical: ETIC; Chemical: cocaine; Chemical: cocaine; Chemical: cocaine
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: R ( - ) - norpropylapomorphine; Chemical: ( - ) - NPA; Chemical: aripiprazole; Chemical: ARI; Chemical: eticlopride; Chemical: ETIC; Chemical: cocaine; Chemical: cocaine; Chemical: cocaine