[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a dipeptide obtained by formal condensation of the carboxy group of L-ornithine with the amino group of D-aspartic acid. It is a constituent of bacterial peptidoglycan type A4beta. It is functionally related to a L-ornithine and a D-aspartic acid."}, {"from": "gpt", "value": "[C][Branch2][Ring1][#Branch2][C][C@@H1][Branch2][Ring1][Ring2][C][=Branch1][C][=O][N][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][N][C][N]"}]