Task: Please create a description for a molecule based on its representation.
Molecule SMILES: O=C([O-])[C@@H]1CCC[NH2+]1
Constraint: Answer the question with complete sentences.
Result: The molecule is the zwitterion formed from L-proline by proton transfer from the carboxy group to the ring nitrogen. It is the predominant species at physiological pH. It is a tautomer of a L-proline.
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#}
(2S)-pyrrolidin-1-ium-2-carboxylate
The molecule is the zwitterion formed from L-proline by proton transfer from the carboxy group to the ring nitrogen. It is the predominant species at physiological pH. It is a tautomer of a L-proline.