[{"from": "human", "value": "Describe this molecule. [C][C@H1][Branch2][=Branch2][Branch2][C@@H1][Branch2][=Branch2][Ring1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C][Branch1][C][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][C][=Branch1][C][=O][O][N][O]"}, {"from": "gpt", "value": "The molecule is an oligopeptide comprising of L-threonine, L-proline, L-proline, L-alanine, glycine, L-proline, L-aspartic acid, L-valine, glycine, L-proline, and L-arginine amino acids joined in sequence by peptide linkages. It is isolated from the venoms of three species of New World pit vipers from the subfamily, Crotalinae. It has a role as a bradykinin receptor antagonist, an animal metabolite and a venom."}]