Task: Please create a molecule SMILES based on the description below.
Description: The molecule is a D-alpha-amino acid zwitterion that is D-proline in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3. It is a tautomer of a D-proline.
Result: O=C([O-])[C@H]1CCC[NH2+]1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
O=C([O-])[C@H]1CCC[NH2+]1
(2R)-pyrrolidin-1-ium-2-carboxylate
The molecule is a D-alpha-amino acid zwitterion that is D-proline in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3. It is a tautomer of a D-proline.