Task: Please give me a SMILES based on the description below.
Description: The molecule is a ketoaldonic acid that is the L-threo-isomer of 3-deoxyhex-2-ulopyranosonic acid. It is a conjugate acid of a 3-deoxy-L-threo-hex-2-ulopyranosonate.
Result: O=C(O)C1(O)C[C@H](O)[C@@H](O)CO1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
O=C(O)C1(O)C[C@H](O)[C@@H](O)CO1
(4S,5S)-2,4,5-trihydroxyoxane-2-carboxylic acid
The molecule is a ketoaldonic acid that is the L-threo-isomer of 3-deoxyhex-2-ulopyranosonic acid. It is a conjugate acid of a 3-deoxy-L-threo-hex-2-ulopyranosonate.