25486
An HTS campaign identified several weak M5 PAMs ( M5 EC50 > 10 mu M ) with a structurally related isatin core that possessed a southern phenethyl ether linkage .
 Chemical: isatin; Chemical: phenethyl ether
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: isatin; Chemical: phenethyl ether