[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of the class of dihydrofurans that is disulfane in which both hydrogen's are substituted by 2-methyl-4,5-dihydrofuran-3-yl groups. It is a flavouring agent found in meat. It has a role as a human metabolite, a Maillard reaction product and a flavouring agent. It is a dihydrofuran and an organic disulfide."}, {"from": "gpt", "value": "[C][C][=C][Branch1][=Branch1][C][C][O][Ring1][Branch1][S][S][C][=C][Branch1][=Branch1][O][C][C][Ring1][Branch1][C]"}]