9687
Pharmacological studies suggest that perampanel acts with a new mechanism of action via non - competitive antagonism of the ionotropic alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazoleproprionic acid ( AMPA ) receptor of glutamate , the main mediator of excitatory neurotransmission in the central nervous system .
 Chemical: perampanel; Chemical: alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazoleproprionic acid; Chemical: AMPA; Chemical: glutamate
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: perampanel; Chemical: alpha - amino - 3 - hydroxy - 5 - methyl - 4 - isoxazoleproprionic acid; Chemical: AMPA; Chemical: glutamate