[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a crown thioether that is cyclododecane in which the carbon atoms at positions 1, 4, 7 and 10 are replaced by sulfur atoms. It is a crown thioether and a saturated organic heteromonocyclic parent."}, {"from": "gpt", "value": "[C][C][S][C][C][S][C][C][S][C][C][S][Ring1][N]"}]