User: I'm searching for the SMILES of a molecule that can be described by:
The molecule is a sulfonium compound that is a tautomer of S-methyl-L-methionine, arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3. It is a tautomer of a S-methyl-L-methionine.
Assistant: This is a molecule that fits your description: C[S+](C)CC[C@H]([NH3+])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#}
(2S)-2-azaniumyl-4-dimethylsulfoniobutanoate
The molecule is a sulfonium compound that is a tautomer of S-methyl-L-methionine, arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3. It is a tautomer of a S-methyl-L-methionine.