[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the (S)-enantiomer of 2-(4-chloro-2-methylphenoxy)propanoic acid; the inactive stereoisomer of the racemic herbicide mecoprop. It is a conjugate acid of a (S)-2-(4-chloro-2-methylphenoxy)propanoate. It is an enantiomer of a (R)-mecoprop."}, {"from": "gpt", "value": "[C][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][O][C@@H1][Branch1][C][C][C][=Branch1][C][=O][O]"}]