Task: Please generate a SMILES based on the text description below.
Description: The molecule is an amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of methionine; major species at pH 7.3. It is a tautomer of a methionine.
Result: CSCCC([NH3+])C(=O)[O-]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
CSCCC([NH3+])C(=O)[O-]
2-azaniumyl-4-methylsulfanylbutanoate
The molecule is an amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of methionine; major species at pH 7.3. It is a tautomer of a methionine.