20989
Overall , this study provides , for the first time , insights on the equilibrium structures of A beta 1 - 42 dimer in explicit aqueous solution and an atomic picture of the EGCG - mediated conformational change on A beta dimer .
 Chemical: EGCG
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: EGCG