[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a beta-alanine derivative. It is a conjugate acid of a malonamate."}, {"from": "gpt", "value": "[C][Branch1][=Branch1][C][=Branch1][C][=O][N][C][=Branch1][C][=O][O]"}]