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This method is based on the thiophilicity of Hg ( 2 + ) and Au NPs as well as the unique optical properties of CEQC - stabilized Au NPs .
 Chemical: Hg ( 2 + ); Chemical: Au; Chemical: Au
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: Hg ( 2 + ), Au, Au 
Answer:
 Chemical: Hg ( 2 + ); Chemical: Au; Chemical: Au