5230
CAPs off to the S - S bond : Application of a strategy involving the introduction of intramolecular disulfide bonds to amphipathic cationic antimicrobial peptides ( CAPs ) led to decreased alpha - helicity and hydrophobicity .
 Chemical: S - S; Chemical: disulfide
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: S - S, disulfide 
Answer:
 Chemical: S - S; Chemical: disulfide