15708
Here , a thorough survey is provided of the synthesis of SnO ( 2 ) - based nanomaterials with various structures and chemical compositions , and their application as negative electrodes for LIBs .
 Chemical: SnO ( 2 )
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: SnO ( 2 )