13906
Inclusion of parameters describing the N - acetyl moiety had little effect on the predictive ability of a stepwise parent to N - acetyl to N - oxanilic acid PLS - DA model , and had a negative impact on that of SIMCA models .
 Chemical: N - acetyl; Chemical: N - acetyl; Chemical: N - oxanilic 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: N - acetyl; Chemical: N - acetyl; Chemical: N - oxanilic acid