Task: Please create a description for a molecule.
Molecule SMILES: N[C@@H](CCSSCC[C@H](N)C(=O)O)C(=O)O
Constraint: Answer the question with full sentences.
Result: The molecule is a homocystine in which both chiral centres have L configuration. It derives from a L-homocysteine. It is a tautomer of a L,L-homocystine zwitterion.
Task: Please create a {#text |!}description for a molecule{# based on its representation|!}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question with {#full|complete!} sentences.
Result: {description#}
N[C@@H](CCSSCC[C@H](N)C(=O)O)C(=O)O
(2S)-2-amino-4-[[(3S)-3-amino-3-carboxypropyl]disulfanyl]butanoicacid
The molecule is a homocystine in which both chiral centres have L configuration. It derives from a L-homocysteine. It is a tautomer of a L,L-homocystine zwitterion.