Task: Please generate a molecule SMILES based on the text description below.
Description: The molecule is a zwitterion obtained by transfer of a proton from the carboxy group to the nitrogen alpha to the carboxy group. The major species at pH 7.3. It is a tautomer of an ectoine.
Result: CC1=[NH+]CC[C@@H](C(=O)[O-])N1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
(6S)-2-methyl-1,4,5,6-tetrahydropyrimidin-3-ium-6-carboxylate
The molecule is a zwitterion obtained by transfer of a proton from the carboxy group to the nitrogen alpha to the carboxy group. The major species at pH 7.3. It is a tautomer of an ectoine.