5458
The molecular structure of the blue mussel Mytilus edulis whole anchoring threads was studied by two - dimensional ( 13 ) C solid - state NMR on fully labeled fibers .
 Chemical: ( 13 ) C
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: ( 13 ) C