20623
Crystalline growth of rubrene film enhanced by vertical ordering in cadmium arachidate multilayer substrate .
 Chemical: rubrene; Chemical: cadmium arachidate
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: rubrene; Chemical: cadmium arachidate