14877
The conjugates were synthesized using an efficient multistep protection / deprotection method resulting in the formation of a covalent bond between the primary hydroxyl group of Ara - C and dendrimer / PEG .
 Chemical: hydroxyl; Chemical: Ara - C; Chemical: PEG
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: hydroxyl, Ara - C, PEG 
Answer:
 Chemical: hydroxyl; Chemical: Ara - C; Chemical: PEG