[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is conjugate base of 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one arising from deprotonation of the 2-hydroxy group. It is a conjugate base of a 1,2-dihydroxy-5-(methylthio)pent-1-en-3-one."}, {"from": "gpt", "value": "[C][S][C][C][C][=Branch1][C][=O][/C][=Branch1][Ring1][=C][/O-1][/O]"}]