8175
An analogous C6 - linked hydrocodone vaccine blocked hydrocodone effects but less so than 6OXY ( Gly ) ( 4 ) - KLH .
 Chemical: hydrocodone; Chemical: hydrocodone; Chemical: 6OXY ( Gly ) ( 4 )
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: hydrocodone; Chemical: hydrocodone; Chemical: 6OXY ( Gly ) ( 4 )