[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an amino dicarboxylic acid. It is functionally related to a LL-2,6-diaminopimelic acid. It is a conjugate acid of a N-acetyl-LL-2,6-diaminopimelate(1-) and a N-acetyl-LL-2,6-diaminopimelate(2-)."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][Branch1][=N][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][O]"}]