User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is zwitterionic form of D-tryptophan having an anionic carboxy group and a protonated alpha-amino group; major species at pH 7.3. It is a tautomer of a D-tryptophan.
Assistant: This is a molecule that fits your 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-]
(2R)-2-azaniumyl-3-(1H-indol-3-yl)propanoate
The molecule is zwitterionic form of D-tryptophan having an anionic carboxy group and a protonated alpha-amino group; major species at pH 7.3. It is a tautomer of a D-tryptophan.