12200
Recently , we disclosed a ( bpy ) Cu ( I ) / TEMPO / NMI catalyst system ( NMI = N - methylimidazole ) that exhibits fast rates and high selectivities , even with unactivated aliphatic alcohols .
 Cu ( I ), TEMPO, NMI, NMI, N - methylimidazole, alcohols
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Cu ( I ), TEMPO, NMI, NMI, N - methylimidazole, alcohols