Task: Please create a SMILES based on the text description below.
Description: The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-vinylglycine; major species at pH 7.3. It is a tautomer of a L-vinylglycine.
Result: C=C[C@H]([NH3+])C(=O)[O-]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
C=C[C@H]([NH3+])C(=O)[O-]
C=C[C@@H](C(=O)[O-])[NH3+]
(2S)-2-azaniumylbut-3-enoate
The molecule is an L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-vinylglycine; major species at pH 7.3. It is a tautomer of a L-vinylglycine.