[{"from": "human", "value": "Describe this molecule. [C][C][C@H1][Branch1][C][C][C@@H1][Branch2][Branch2][P][C][=Branch1][C][=O][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][NH1+1][=C][Branch1][C][N][N][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][C][NH1+1][=C][Branch1][C][N][N][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch2][C][C][=C][N][=C][N][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][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][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is a peptide cation obtained from the deprotonation of the carboxy group of L-phenylalanine residue, and protonation of the amino group of L-isoleucyl and protonation of the side chains of L-arginyl residues of kinetensin (1-8). It is the major species at pH 7.3. It has a role as a human metabolite and a histamine releasing agent. It is a conjugate acid of a kinetensin (1-8)."}]