[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an organic salt obtained by combining guanidine with one molar equivalent of acetic acid. It contains a guanidinium and an acetate."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O].[C][=Branch1][C][=N][Branch1][C][N][N]"}]