28652
Poly ( 1 , 2 - glycerol carbonate ) showed a remarkable increase in degradation rate compared to poly ( 1 , 3 - glycerol carbonate ) with a t1 / 2 =~ 2 - 3 days .
 Chemical: Poly ( 1 , 2 - glycerol carbonate ); Chemical: poly ( 1 , 3 - glycerol carbonate )
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: Poly ( 1 , 2 - glycerol carbonate ); Chemical: poly ( 1 , 3 - glycerol carbonate )