8671
The structures of compounds 1 and 2 were elucidated by extensive spectroscopic methods ( especially 2D - NMR techniques ) and acid - catalyzed hydrolysis as O - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) ] - 4 ' - O - [ ( E ) - caffeoyl ] - d - glucopyranoside ] ( 1a / 1b ) , 3 , 4 - dihydroxy - beta - phenylethoxy - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - beta - d - glucopyranoside ] ( 2 ) , respectively .
 Chemical: O - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) ] - 4 ' - O - [ ( E ) - caffeoyl ] - d - glucopyranoside ]; Chemical: 3 , 4 - dihydroxy - beta - phenylethoxy - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - beta - d - glucopyranoside ]
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: O - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) ] - 4 ' - O - [ ( E ) - caffeoyl ] - d - glucopyranoside ]; Chemical: 3 , 4 - dihydroxy - beta - phenylethoxy - O - [ beta - d - apiofuranosyl - ( 1 ''' --> 6 ' ) - alpha - l - rhamnopyranosyl - ( 1 '' --> 3 ' ) - O - beta - d - glucopyranoside ]