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Cobalt-precorrin-5B ( C1 ) - methyltransferase ( , cobalt-precorrin-6A synthase , CbiD ( gene ) ) is an enzyme with system name S-adenosyl-L-methionine : cobalt-precorrin-5B ( C1 ) - methyltransferase .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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