[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][S][C][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N][S][S][C][C][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an organic disulfide obtained by the oxidation of two Cys-Gly molecules which are then linked via a disulfide bond. It is an organic disulfide and a dipeptide. It is functionally related to a cystine. It is a tautomer of a Cys-Gly disulfide dizwitterion."}]