Task: Please generate a molecule SMILES based on the text description.
Description: The molecule is a peptide zwitterion obtained by transfer of two protons from the carboxy to the amino groups of Cys-Gly disulfide; major species at pH 7.3. It is a tautomer of a Cys-Gly disulfide.
Result: [NH3+]C(CSSCC([NH3+])C(=O)NCC(=O)[O-])C(=O)NCC(=O)[O-]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
2-[[2-azaniumyl-3-[[2-azaniumyl-3-(carboxylatomethylamino)-3-oxopropyl]disulfanyl]propanoyl]amino]acetate
The molecule is a peptide zwitterion obtained by transfer of two protons from the carboxy to the amino groups of Cys-Gly disulfide; major species at pH 7.3. It is a tautomer of a Cys-Gly disulfide.