[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is dianion of 2-hydroxy-5-(methylsulfanyl)-3-oxopent-1-en-1-yl phosphate. It is a conjugate base of a 2-hydroxy-5-(methylsulfanyl)-3-oxopent-1-enyl phosphate."}, {"from": "gpt", "value": "[C][S][C][C][C][=Branch1][C][=O][/C][=Branch1][O][=C][/O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][/O]"}]