1799
In 414 patients , contrast volume , presence of diabetes mellitus , use of N - acetylcysteine , mean baseline SCr , and estimated glomerular filtration rate were comparable in the 2 groups .
 Disease: diabetes mellitus; Chemical: N - acetylcysteine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: diabetes mellitus, N - acetylcysteine 
Answer:
 Disease: diabetes mellitus; Chemical: N - acetylcysteine