Task: Please generate a SMILES based on the text description below.
Description: The molecule is an optically active form of malic acid having (S)-configuration. It is a conjugate acid of a (S)-malate(2-). It is an enantiomer of a (R)-malic acid.
Result: O=C(O)C[C@H](O)C(=O)O
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
O=C(O)C[C@H](O)C(=O)O
(2S)-2-hydroxybutanedioicacid
The molecule is an optically active form of malic acid having (S)-configuration. It is a conjugate acid of a (S)-malate(2-). It is an enantiomer of a (R)-malic acid.