[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of the class of resolvins that is resolvin D2 in which the 16-hydroxy group has undergone formal oxidation to the corresponding ketone. It has a role as a human xenobiotic metabolite. It is a diol, an enone, an oxo fatty acid, a resolvin, a secondary allylic alcohol, a secondary alpha-hydroxy ketone and a hydroxy polyunsaturated fatty acid. It is a conjugate acid of a 16-oxoresolvin D2(1-)."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][C@@H1][Branch2][Ring1][O][C][=Branch1][C][=O][/C][=C][/C][=C][/C][=C][\\C][=C][\\C@H1][Branch1][O][C][/C][=C][\\C][C][C][=Branch1][C][=O][O][O][O]"}]