1471
However , the improvements in response accuracy induced by the mGlu 5 potentiators in SDZ 220 , 581 - treated rats were not delay - dependent and , therefore , perhaps more likely reflected optimization of general arousal than specific beneficial effects on discrete cognitive processes .
 Chemical: SDZ 220 , 581
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: SDZ 220 , 581