[{"from": "human", "value": "Describe this molecule. [C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=N][N]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of creatine, obtained by deprotonation of the carboxy group. It is a conjugate base of a creatine and a creatine zwitterion."}]