29191
The reactivity of the unusual oxyaryl dianionic ligand , ( C6H2tBu2 - 3 , 5 - O - 4 ) 2 - , in the Bi3 + NCN pincer complex Ar ' Bi ( C6H2tBu2 - 3 , 5 - O - 4 ) , 1 , [ Ar ' = 2 , 6 - ( Me2NCH2 ) 2C6H3 ] has been explored with small molecule substrates and electrophiles .
 Chemical: oxyaryl; Chemical: ( C6H2tBu2 - 3 , 5 - O - 4 ) 2; Chemical: Bi3 + NCN; Chemical: Ar ' Bi ( C6H2tBu2 - 3 , 5 - O - 4 ); Chemical: 2 , 6 - ( Me2NCH2 ) 2C6H3
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: oxyaryl; Chemical: ( C6H2tBu2 - 3 , 5 - O - 4 ) 2; Chemical: Bi3 + NCN; Chemical: Ar ' Bi ( C6H2tBu2 - 3 , 5 - O - 4 ); Chemical: 2 , 6 - ( Me2NCH2 ) 2C6H3