[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an alpha-amino-acid cation. It is a conjugate acid of a cysteine and a cysteine zwitterion."}, {"from": "gpt", "value": "[C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1][S]"}]