[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of guanidinoacetic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a guanidinoacetic acid."}]