19395
A popular analytical application is fluorescence quenching by Hg ( 2 + ) , where d ( 10 ) - d ( 10 ) metallophilic interaction has often been proposed for associating Hg ( 2 + ) with nanoclusters .
 Chemical: Hg ( 2 + ); Chemical: Hg ( 2 + )
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: Hg ( 2 + ); Chemical: Hg ( 2 + )