1726
When administered alone , ( + / - ) - SM 21 produced no significant effects compared to control injections of saline , but UMB24 had locomotor depressant actions .
 Chemical: SM 21; Chemical: UMB24
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: SM 21; Chemical: UMB24