[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=C][Branch2][Ring1][Ring1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O]"}, {"from": "gpt", "value": "The molecule is an L-dopa in which the hydroxy group at position 4 is replaced by a methoxy group. It has a role as a human metabolite and a rat metabolite. It is a L-tyrosine derivative, a non-proteinogenic L-alpha-amino acid and a monomethoxybenzene. It is functionally related to a L-dopa. It is a tautomer of a 4-O-methyl-L-dopa zwitterion."}]