[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][Branch2][C][NH1+1][=C][Branch1][C][N][N][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of 3-guanidinopropanoic acid having an anionic carboxy group and a protonated imine nitrogen. It is a tautomer of a 3-guanidinopropanoic acid."}]