User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-tryptophan; major species at pH 7.3. It is a tryptophan zwitterion and a L-alpha-amino acid zwitterion. It is a tautomer of a L-tryptophan.
Assistant: This is a molecule that fits this description: [NH3+][C@@H](Cc1c[nH]c2ccccc12)C(=O)[O-]
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#}
[NH3+][C@@H](Cc1c[nH]c2ccccc12)C(=O)[O-]
(2S)-2-azaniumyl-3-(1H-indol-3-yl)propanoate
The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-tryptophan; major species at pH 7.3. It is a tryptophan zwitterion and a L-alpha-amino acid zwitterion. It is a tautomer of a L-tryptophan.