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The latter is converted to functionalised diarylamine 8 , which is cyclised to the desired carbazole 1 through a Pd - promoted or - catalysed double C - H bond activation process in a fairly good overall yield .
 Chemical: diarylamine; Chemical: carbazole; Chemical: Pd; Chemical: C - H
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: diarylamine; Chemical: carbazole; Chemical: Pd; Chemical: C - H