[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][=N][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=C][Branch1][#Branch2][C][=C][C][Ring2][Ring1][Ring1][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][Ring2][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is an organic heterotetracyclic compound obtained via intramolecular oxidative aromatic coupling of cyclo(L-tyrosyl-L-tyrosyl). It has a role as a metabolite. It is a polyphenol, an organic heterotetracyclic compound and a member of 2,5-diketopiperazines. It is functionally related to a cyclo(L-tyrosyl-L-tyrosyl)."}]