29194
The oxyarylcarboxy and oxyarylthiocarboxy dianionic ligands were identified by X - ray crystallography in Ar ' Bi [ O2C ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , O ' ] , 2 and Ar ' Bi [ OSC ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , S ] , 3 , respectively .
 Chemical: oxyarylcarboxy; Chemical: oxyarylthiocarboxy; Chemical: Ar ' Bi [ O2C ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , O ' ]; Chemical: Ar ' Bi [ OSC ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , S ]
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: oxyarylcarboxy; Chemical: oxyarylthiocarboxy; Chemical: Ar ' Bi [ O2C ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , O ' ]; Chemical: Ar ' Bi [ OSC ( C6H2tBu2 - 3 - 5 - O - 4 ) - kappa 2O , S ]