840
In L . cardinalis cyanidin - 3 - O - [ 6 - O - ( 4 - O - E - p - coumaroyl - O - alpha - rhamnopyranosyl ) - beta - glucopyrano ] - 5 - O - beta - glucopyranoside was the major anthocyanin and contributed more than 98 % of total anthocyanin content .
 cyanidin - 3 - O - [ 6 - O - ( 4 - O - E - p - coumaroyl - O - alpha - rhamnopyranosyl ) - beta - glucopyrano ] - 5 - O - beta - glucopyranoside, anthocyanin, anthocyanin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cyanidin - 3 - O - [ 6 - O - ( 4 - O - E - p - coumaroyl - O - alpha - rhamnopyranosyl ) - beta - glucopyrano ] - 5 - O - beta - glucopyranoside, anthocyanin, anthocyanin