25601
For Li / SeS2 and Li / SeS7 cells , Li2Se and Li2S are the discharged products with the presence of Se only as the crystalline phase in the end of charge .
 Chemical: Li; Chemical: SeS2; Chemical: Li; Chemical: SeS7; Chemical: Li2Se; Chemical: Li2S; Chemical: Se
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: SeS2; Chemical: Li; Chemical: SeS7; Chemical: Li2Se; Chemical: Li2S; Chemical: Se