[{"from": "human", "value": "Could you provide a description of this molecule? [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]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion. It is functionally related to a L-dopa zwitterion. It is an enantiomer of a N-methyl-D-dopa zwitterion. It is a tautomer of a N-methyl-L-dopa."}]