16072
RESULTS : Using an unbiased place conditioning procedure , we demonstrated that in Wistar rats , intra - VTA administration of furosemide , a Cl ( - ) cotransporter inhibitor , was able to promote a switch in the mechanisms underlying morphine ' s motivational properties , one which is normally observed only after chronic opiate exposure .
 Chemical: furosemide; Chemical: Cl ( - ); Chemical: morphine
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: furosemide; Chemical: Cl ( - ); Chemical: morphine