[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][Branch2][Ring2][#Branch1][C][=Branch2][Ring1][Branch2][=C][Branch2][Ring1][Ring1][C][=Branch1][#C][=C][Ring1][=Branch1][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O][O][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-tyrosine derivative that is L-DOPA in which the hydrogens at positions 2 and 5 on the phenyl ring are replaced by cysteinyl groups. Found in the urine of patients with melanoma. It has a role as a human urinary metabolite. It is a S-conjugate, a S-organyl-L-cysteine, a L-tyrosine derivative, a tricarboxylic acid, a triamine, an aryl sulfide and a member of catechols. It is functionally related to a L-dopa."}]