541
In comparison , pretreatment of the aorta of diabetic rats with N - [ 3 ( aminomethyl ) benzyl ] - acetamidine , dihydrochloride ( 10 ( - 5 ) M ) , a selective inhibitor of iNOS , produced a similar recovery in vascular reactivity .
 Chemical: N - [ 3 ( aminomethyl ) benzyl ] - acetamidine; Chemical: dihydrochloride
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 - [ 3 ( aminomethyl ) benzyl ] - acetamidine, dihydrochloride 
Answer:
 Chemical: N - [ 3 ( aminomethyl ) benzyl ] - acetamidine; Chemical: dihydrochloride