[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an L-alpha-amino-acid anion that is the conjugate base of L-2,4-diaminobutyric acid, arising from deprotonation of the carboxy group. It is functionally related to a butyrate. It is a conjugate base of a L-2,4-diaminobutyric acid."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][N][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N]"}]