[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a phenothiazine. It is a tautomer of a 4aH-phenothiazine, a 10H-phenothiazine and a 3H-phenothiazine."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][Ring1][=Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][S][Ring1][#Branch2]"}]