[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C@H1][Branch2][Ring2][Ring1][N][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=O][C@@H1][C][C][C][N][Ring1][Branch1][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][C][NH1+1][=C][Branch1][C][N][N][NH3+1][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a peptide cation obtained by deprotonation of the carboxy group and protonation of the primary amino and guanidino groups of [des-Phe(8), des-Arg(9)]-bradykinin. It is the major species at pH 7.3. It is a conjugate acid of a [des-Phe(8), des-Arg(9)]-bradykinin."}]