[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch2][Ring1][S][=C][Branch1][#C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][C][=C][C][Ring2][Ring1][#Branch1][=N]"}, {"from": "gpt", "value": "The molecule is an imine that is 2-methyl-4-methylidenecyclohexa-2,5-dien-1-imine in which both the hydrogens of the methylidene group are replaced by 4-amino-3-methylphenyl groups. The hydrochloride salt is the histological dye 'new fuchsin'. It has a role as a fluorochrome and a histological dye. It is an imine and a substituted aniline. It is a conjugate base of a new fuchsin(1+)."}]