24501
Methylphenidate significantly reduced FC between the NAcc and the basal ganglia ( i . e . , subthalamic nucleus and ventral pallidum ( VP ) ) , relative to placebo .
 Chemical: Methylphenidate; Chemical: pallidum
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: Methylphenidate; Chemical: pallidum