[{"from": "human", "value": "Provide a brief overview of this molecule. [C][/C][=C][/C][NH1+1][C][C][C@@H1][\\-Ring1][=Branch1][C@][Branch2][Ring1][Ring2][C][=C][Branch1][Branch1][C][C][Ring1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][O][Branch1][Branch2][C][O][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the protonation of the tertiary amino group of O-acetyl-15alpha-stemmadenine. The major species at pH 7.3. It is a conjugate acid of an O-acetyl-15alpha-stemmadenine."}]