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In order to investigate possible fibril remodeling mechanisms using this approach , we performed comparative studies on the structural features of the different amyloid - beta ( A beta ) aggregates remodeled from A beta fibrils by three biocompatible small molecules : methylene blue ; brilliant blue G ; and erythrosine B .
 Chemical: methylene blue; Chemical: brilliant blue G; Chemical: erythrosine B
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: methylene blue; Chemical: brilliant blue G; Chemical: erythrosine B