[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][O][C][C][C][C][O][C][Ring1][=Branch1][C][=O]"}, {"from": "gpt", "value": "The molecule is a member of the class of oxanes that is oxane which is substituted by a formyl group at position 2 and an acetyloxy group at position 3. It is a member of oxanes, an acetate ester and an aldehyde."}]