[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a saturated organic heteromonocyclic parent that is cyclohexane in which the carbon atoms at positions 1, 3 and 5 are replaced by oxygen atoms. It is a trioxane and a saturated organic heteromonocyclic parent."}, {"from": "gpt", "value": "[C][O][C][O][C][O][Ring1][=Branch1]"}]