44
These results indicated that nocistatin , a new biologically active peptide , ameliorates impairments of spontaneous alternation and passive avoidance induced by scopolamine , and suggested that these peptides play opposite roles in learning and memory .
 Chemical: nocistatin; Chemical: scopolamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: nocistatin; Chemical: scopolamine