29190
Insertion of CO2 and COS into Bi - C Bonds : Reactivity of a Bismuth NCN Pincer Complex of an Oxyaryl Dianionic Ligand , [ 2 , 6 - ( Me2NCH2 ) 2C6H3 ] Bi ( C6H2tBu2O ) .
 Chemical: CO2; Chemical: COS; Chemical: Bi - C; Chemical: Bismuth NCN; Chemical: Oxyaryl; Chemical: [ 2 , 6 - ( Me2NCH2 ) 2C6H3 ] Bi ( C6H2tBu2O )
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: CO2; Chemical: COS; Chemical: Bi - C; Chemical: Bismuth NCN; Chemical: Oxyaryl; Chemical: [ 2 , 6 - ( Me2NCH2 ) 2C6H3 ] Bi ( C6H2tBu2O )