[{"from": "human", "value": "Describe this molecule. [C][Branch1][Ring2][C][C][NH3+1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid cation that is the conjugate acid of lysine, having two cationic amino groups and an anionic carboxy group. It is a conjugate base of a lysinium(2+). It is a conjugate acid of a lysine."}]