[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an organic disulfide where the organic group specified is allyl. It has been isolated from garlic and other species of the genus Allium. It has a role as an antineoplastic agent, an antifungal agent and a plant metabolite."}, {"from": "gpt", "value": "[C][=C][C][S][S][C][C][=C]"}]