15062
The solution structure of this cyclic peptide was solved using ( 1 ) H , ( 13 ) C and ( 15 ) N NMR spectroscopy and molecular dynamics ( MD ) simulations with NMR - derived distance and torsion angle restraints .
 Chemical: ( 1 ) H; Chemical: ( 13 ) C; Chemical: ( 15 ) N
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: ( 1 ) H; Chemical: ( 13 ) C; Chemical: ( 15 ) N