[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch2][Ring2][Branch1][=C][C][C][/C][=Branch2][Ring1][=N][=C][/C][C][/C][=Branch2][Ring1][Branch1][=C][/C][C][/C][=Branch1][=C][=C][/C][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][/C][/C][/C][C]"}, {"from": "gpt", "value": "The molecule is an S-polyprenyl-L-cysteine where the polyprenyl moiety is specified as geranylgeranyl. It is a tautomer of a S-[(2E,6E,10E)-geranylgeranyl]-L-cysteine zwitterion."}]