17713
Here , we investigated the role of NPS in memory formation , and determined whether NPS could mitigate memory impairment induced by selective N - methyl - d - aspartate receptor antagonist MK801 , muscarinic cholinergic receptor antagonist scopolamine or A beta 1 - 42 in mice , using novel object and object location recognition tasks .
 Chemical: N - methyl - d - aspartate; Chemical: MK801; Chemical: scopolamine
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: N - methyl - d - aspartate; Chemical: MK801; Chemical: scopolamine