12205
Catalyst oxidation by O ( 2 ) is turnover limiting with benzylic alcohols , while numerous steps contribute to the turnover rate in the oxidation of aliphatic alcohols .
 Chemical: O ( 2 ); Chemical: benzylic alcohols; Chemical: aliphatic alcohols
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: O ( 2 ), benzylic alcohols, aliphatic alcohols 
Answer:
 Chemical: O ( 2 ); Chemical: benzylic alcohols; Chemical: aliphatic alcohols