12198
Mechanism of copper ( I ) / TEMPO - catalyzed aerobic alcohol oxidation .
 Chemical: copper ( I ); Chemical: alcohol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: copper ( I ), alcohol 
Answer:
 Chemical: copper ( I ); Chemical: alcohol