25926
Among the 33 substances that were tested , compound 12 , i . e . 4 , 4 ' - [ 1 , 12 - dodecanediyl ( oxy ) ] bisbenzaldehyde , emerged as the most promising hit .
 Chemical: 4 , 4 ' - [ 1 , 12 - dodecanediyl ( oxy ) ] bisbenzaldehyde
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 4 , 4 ' - [ 1 , 12 - dodecanediyl ( oxy ) ] bisbenzaldehyde 
Answer:
 Chemical: 4 , 4 ' - [ 1 , 12 - dodecanediyl ( oxy ) ] bisbenzaldehyde