[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a tripeptide composed of L-aspartic acid, glycine, and L-glutamic acid units joined in sequence. It is a conjugate acid of an Asp-Gly-Glu(3-)."}, {"from": "gpt", "value": "[C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][N]"}]