23791
They can be represented by the following expressions : kDCBM ( 230 - 330 K ) = ( 9 . 4 +/- 1 . 3 ) x 10 ( - 13 ) exp [ - ( 513 +/- 37 ) / T ] cm ( 3 ) molecule ( - 1 ) s ( - 1 ) and kCDBM ( 230 - 330 K ) = ( 9 . 0 +/- 1 . 9 ) x 10 ( - 13 ) exp [ - ( 423 +/- 61 ) / T ] cm ( 3 ) molecule ( - 1 ) s ( - 1 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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