30233
Ethylene sulfide ( ES ) , propargyl carbonylimidazole ( PPC ) and azidoethyl carbonylimidazole ( AEC ) reacted with amine and / or hydroxyl groups in BC to introduce the corresponding thiol , alkyne and azide groups on SS surfaces ( SS - thiol , SS - alkyne and SS - azide , respectively ) .
 Chemical: Ethylene sulfide; Chemical: propargyl carbonylimidazole; Chemical: PPC; Chemical: azidoethyl carbonylimidazole; Chemical: AEC; Chemical: amine; Chemical: hydroxyl; Chemical: thiol; Chemical: alkyne; Chemical: azide; Chemical: thiol; Chemical: alkyne; Chemical: azide
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: Ethylene sulfide; Chemical: propargyl carbonylimidazole; Chemical: PPC; Chemical: azidoethyl carbonylimidazole; Chemical: AEC; Chemical: amine; Chemical: hydroxyl; Chemical: thiol; Chemical: alkyne; Chemical: azide; Chemical: thiol; Chemical: alkyne; Chemical: azide