[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an organic cation that is phenothiazin-5-ium substituted by dimethylamino and amino groups at positions 3 and 7 respectively. The chloride salt is the histological dye 'azure B'."}, {"from": "gpt", "value": "[C][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=C][C][=C][C][=Branch1][=Branch1][=N+1][Branch1][C][C][C][C][=C][Ring1][=Branch2][S][Ring1][#C]"}]