2412
This formulation has suitable gelation time , water content , bioadhesive force , structural stability , and a high permeation percentage of Epi , with sustained drug release characteristics for 96 h .
 Chemical: Epi
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: Epi