18589
Full occupation of [ 2S , 2P , 2D ] shell orbitals by 18 delocalized electrons confers the doped Mn @ Si14 ( + ) cluster a spherically aromatic character .
 Chemical: Mn; Chemical: Si14 ( + )
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: Mn; Chemical: Si14 ( + )