10521
The resulting photoproduct was an aldehyde that was oxidized under ambient conditions to its corresponding carboxylic acid , i . e . , 4 - ( 1 , 3 - benzoxazol - 2 - yl ) benzoic acid .
 Chemical: aldehyde; Chemical: carboxylic acid; Chemical: 4 - ( 1 , 3 - benzoxazol - 2 - yl ) benzoic acid
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: aldehyde; Chemical: carboxylic acid; Chemical: 4 - ( 1 , 3 - benzoxazol - 2 - yl ) benzoic acid