[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][N][S][C][=C][C][=Branch1][C][=NH2+1][C][=C][C][Ring1][#Branch1][=N][Ring1][=C]"}, {"from": "gpt", "value": "The molecule is the cationic form of 3,7-diaminophenothiazine. It has a role as a fluorochrome. It is an organic heterotricyclic compound and an organic cation."}]