[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as colorless crystals. Occurs in many natural products."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]"}]