426
Here we report that intracerebroventricular ( icv ) administration of the mGlu ( 8 ) - selective agonist ( S ) - 3 , 4 - dicarboxyphenylglycine ( DCPG [ 2 . 5 , 10 , or 30 nmol ] ) does not alleviate motor deficits caused by acute ( 2 h ) treatment with haloperidol or reserpine .
 Chemical: ( S ) - 3 , 4 - dicarboxyphenylglycine; Chemical: DCPG; Chemical: haloperidol; Chemical: reserpine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ( S ) - 3 , 4 - dicarboxyphenylglycine, DCPG, haloperidol, reserpine 
Answer:
 Chemical: ( S ) - 3 , 4 - dicarboxyphenylglycine; Chemical: DCPG; Chemical: haloperidol; Chemical: reserpine