[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a monocarboxylic acid that is valeric acid substituted by a phenyl group at the delta-position. It is a monocarboxylic acid and a member of benzenes. It is functionally related to a valeric acid."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][C][C][C][=Branch1][C][=O][O]"}]