[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is the L-enantiomer of O-phosphohomoserine. It has a role as an Escherichia coli metabolite. It is a conjugate acid of an O-phosphonato-L-homoserine(2-)."}, {"from": "gpt", "value": "[C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]