3285
[ ( 18 ) F ] DPA - 714 [ N , N - diethyl - 2 - ( 2 - ( 4 - ( 2 [ ( 18 ) F ] - fluoroethoxy ) phenyl ) 5 , 7dimethylpyrazolo [ 1 , 5a ] pyrimidin - 3 - yl ) acetamide ] is a new radioligand currently used for imaging the 18 - kDa translocator protein in animal models of neuroinflammation and recently in humans .
 Chemical: [ ( 18 ) F ] DPA - 714; Chemical: N , N - diethyl - 2 - ( 2 - ( 4 - ( 2 [ ( 18 ) F ] - fluoroethoxy ) phenyl ) 5 , 7dimethylpyrazolo [ 1 , 5a ] pyrimidin - 3 - yl ) acetamide
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: [ ( 18 ) F ] DPA - 714; Chemical: N , N - diethyl - 2 - ( 2 - ( 4 - ( 2 [ ( 18 ) F ] - fluoroethoxy ) phenyl ) 5 , 7dimethylpyrazolo [ 1 , 5a ] pyrimidin - 3 - yl ) acetamide