18758
Moreover , [ Li ] ( + ) and [ Na ] ( + ) cations were found to form bonded - like , long - lived aggregates with the anions in their first solvation shell , which act as very stable kinetic entities within which a marked rattling motion of salt ions takes place .
 Chemical: [ Li ] ( + ); Chemical: [ Na ] ( + )
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: [ Li ] ( + ); Chemical: [ Na ] ( + )