29195
Silyl halides and pseudohalides , R3SiX ( X = Cl , CN , N3 ; R = Me , Ph ) , react with 1 by attaching X to bismuth and R3Si to the oxyaryl oxygen to form Ar ' Bi ( X ) ( C6H2tBu2 - 3 , 5 - OSiR3 - 4 ) complexes , a formal addition across five bonds .
 Chemical: Silyl halides; Chemical: pseudohalides; Chemical: R3SiX; Chemical: Cl; Chemical: CN; Chemical: N3; Chemical: Me; Chemical: Ph; Chemical: bismuth; Chemical: R3Si; Chemical: oxyaryl; Chemical: oxygen; Chemical: Ar ' Bi ( X ) ( C6H2tBu2 - 3 , 5 - OSiR3 - 4 )
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: Silyl halides; Chemical: pseudohalides; Chemical: R3SiX; Chemical: Cl; Chemical: CN; Chemical: N3; Chemical: Me; Chemical: Ph; Chemical: bismuth; Chemical: R3Si; Chemical: oxyaryl; Chemical: oxygen; Chemical: Ar ' Bi ( X ) ( C6H2tBu2 - 3 , 5 - OSiR3 - 4 )