User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is a buffer substance useful for calibration of glass electrodes and for the preparation of the biochemical and biological buffer solutions; pKa = 6.46 at 25 ℃. It has a role as a buffer. It derives from a member of tris.
Assistant: This is a molecule that fits your description: OCCN(CCO)C(CO)(CO)CO
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#}
OCCN(CCO)C(CO)(CO)CO
2-[2-hydroxyethyl(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol
The molecule is a buffer substance useful for calibration of glass electrodes and for the preparation of the biochemical and biological buffer solutions; pKa = 6.46 at 25 ℃. It has a role as a buffer. It derives from a member of tris.