User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is the amino acid zwitterion formed from 4-hydroxy-L-proline. It is the major microspecies present at pH 7.3. It has a role as a human metabolite. It is a tautomer of a 4-hydroxy-L-proline.
Assistant: This is a molecule that fits this description: O=C([O-])[C@@H]1CC(O)C[NH2+]1
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
(2S)-4-hydroxypyrrolidin-1-ium-2-carboxylate
The molecule is the amino acid zwitterion formed from 4-hydroxy-L-proline. It is the major microspecies present at pH 7.3. It has a role as a human metabolite. It is a tautomer of a 4-hydroxy-L-proline.