12610
CO ( 2 ) - consuming reactions , in particular carboxylations , play important roles in technical processes and in nature .
 Chemical: CO ( 2 )
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: CO ( 2 ) 
Answer:
 Chemical: CO ( 2 )