User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is 2-Methyl-3-oxopropanoate with S configuration at the chiral centre. It is a conjugate base of a (S)-methylmalonaldehydic acid. It is an enantiomer of a (R)-methylmalonate semialdehyde.
Assistant: This is a molecule that fits this description: C[C@@H](C=O)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#}
C[C@@H](C=O)C(=O)[O-]
(2S)-2-methyl-3-oxopropanoate
The molecule is 2-Methyl-3-oxopropanoate with S configuration at the chiral centre. It is a conjugate base of a (S)-methylmalonaldehydic acid. It is an enantiomer of a (R)-methylmalonate semialdehyde.