[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][N][N][C][=Branch1][C][=O][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][N][C][=Branch1][C][=O][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a dipeptide resulting from the formal coupling of the carboxy group of N(2)-(diphenylacetyl)-D-arginine with the alpha-amino group of D-2-phenylglycinamide. It has a role as a neuropeptide FF receptor antagonist."}]