[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][Branch1][=C][N][Ring1][=Branch1][C][C@@H1][Branch2][Ring2][Ring2][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][N]"}, {"from": "gpt", "value": "The molecule is a tetrapeptide composed of L-arginine, L-tryptophan, L-serine, and L-tyrosine joined in sequence by peptide linkages. It has a role as a metabolite. It is functionally related to a L-arginine, a L-serine, a L-tryptophan and a L-tyrosine."}]