[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][C][=O][C][=Branch1][C][=O][C][=C][Ring1][Branch2][C][C][NH3+1]"}, {"from": "gpt", "value": "The molecule is a primary ammonium ion that is the conjugate acid of dopamine quinone, resulting from the protonation of the primary amino group. Major species at pH 7.3. It is a conjugate acid of a dopaminoquinone."}]