12766
Results : The optimized patch , which comprised 30 . 0 % SIS copolymer , 26 . 6 % tackifying resin and 43 . 4 % plasticizer , was superior to commercial patch in skin permeation , pharmacological activities and skin biocompatibility .
 Chemical: SIS
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: SIS