14118
Zn - N distances in 2 is shorter than that found in a six coordinate complex 3 due to the change in coordination number .
 Chemical: Zn; Chemical: N
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: Zn; Chemical: N