[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an S-conjugate L-cysteinylglycine zwitterion substituted by a (1-hydroxy-3-methylhexan-3-yl) group; major species at pH 7.3."}, {"from": "gpt", "value": "[C][C][C][C][Branch1][C][C][Branch1][Ring2][C][C][O][S][C][C@@H1][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1][NH3+1]"}]