[{"from": "human", "value": "Generate a molecule based on this description. The molecule is conjugate base of threo-3-methyl-L-aspartic acid. It is a conjugate base of a threo-3-methyl-L-aspartic acid. It is a conjugate acid of a threo-3-methyl-L-aspartate(2-)."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][=Branch1][C][=O][O-1]"}]