Task: Please generate a SMILES based on the description below.
Description: The molecule is a monocarboxylic acid anion that is the conjugate base of 3-mercapto-2-mercaptomethylpropanoic acid; major species at pH 7.3. It is a conjugate base of a 3-mercapto-2-mercaptomethylpropanoic acid.
Result: O=C([O-])C(CS)CS
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
3-sulfanyl-2-(sulfanylmethyl)propanoate
The molecule is a monocarboxylic acid anion that is the conjugate base of 3-mercapto-2-mercaptomethylpropanoic acid; major species at pH 7.3. It is a conjugate base of a 3-mercapto-2-mercaptomethylpropanoic acid.