12727
Gas Dielectric Transistor of CuPc Single Crystalline Nanowire for SO2 Detection Down to Sub - ppm Levels at Room Temperature .
 Chemical: CuPc; Chemical: SO2
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: CuPc; Chemical: SO2