[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a carboxyalkyl phosphate that is (9Z)-octadecenoic (oleic) acid carrying a phosphonooxy substituent at position 12. It is functionally related to an oleic acid. It is a conjugate acid of a (9Z)-12-(phosphonooxy)octadecenoate(3-)."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][Branch1][S][C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}]