[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an organic anion that is the conjugate base of (S)-warfarin, obtained by deprotonation of the hydroxy group. It is a conjugate base of a (S)-warfarin. It is an enantiomer of a (R)-warfarin(1-)."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][=O][O-1]"}]