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Here , we used a previously studied set of seven known AO inhibitors to probe the inhibition profile of a pharmacologically relevant substrate N - [ ( 2 - dimethylamino ) ethyl ] acridine - 4 - carboxamide ( DACA ) .
 Chemical: N - [ ( 2 - dimethylamino ) ethyl ] acridine - 4 - carboxamide; Chemical: DACA
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: N - [ ( 2 - dimethylamino ) ethyl ] acridine - 4 - carboxamide, DACA 
Answer:
 Chemical: N - [ ( 2 - dimethylamino ) ethyl ] acridine - 4 - carboxamide; Chemical: DACA