[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an amino acid zwitterion. It is functionally related to a D-dopa zwitterion. It is an enantiomer of a N-methyl-L-dopa zwitterion. It is a tautomer of a N-methyl-D-dopa."}, {"from": "gpt", "value": "[C][NH2+1][C@H1][Branch1][S][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][O-1]"}]