6781
Dose - response re - determinations during chronic treatment revealed the following : 1 ) > 250 - fold ( AM411 , methanandamide ) and > 45 - fold ( AM4054 , WIN55 , 212 . 2 , Delta ( 9 ) - THC ) rightward shifts in the ED ( 50 ) values for CB ( 1 ) agonists ; 2 ) > 100 - fold and > 20 - fold leftward shifts in the ED ( 50 ) values for SR141716A and AM4113 , respectively ; and 3 ) approximately 4 . 8 - fold and 10 - fold rightward shifts in the ED ( 50 ) values for methamphetamine and the DA D ( 2 ) agonist R - ( - ) - NPA , respectively .
 Chemical: AM411; Chemical: methanandamide; Chemical: AM4054; Chemical: WIN55 , 212 . 2; Chemical: Delta ( 9 ) - THC; Chemical: SR141716A; Chemical: AM4113; Chemical: methamphetamine; Chemical: R - ( - ) - NPA
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: AM411; Chemical: methanandamide; Chemical: AM4054; Chemical: WIN55 , 212 . 2; Chemical: Delta ( 9 ) - THC; Chemical: SR141716A; Chemical: AM4113; Chemical: methamphetamine; Chemical: R - ( - ) - NPA