[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][C][=N][C][=Branch2][Branch1][=Branch1][=N][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Branch1][Ring2][N-1][Ring1][=Branch2][N][=C][C][=C][Branch1][P][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O][C][=Branch1][Ring2][=N][Ring1][=N][N][=C][Ring2][Ring2][C][N-1][Ring2][Ring1][S][C][=C][Ring2][Ring1][S][C][=C][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O].[Cu]"}, {"from": "gpt", "value": "The molecule is a metallophthalocyanine consisting of a phthalocyanine-disulfonic acid bound to a central copper atom. Used in the form of an arylguanidinium salt as a histological dye. It has a role as a fluorochrome and a histological dye. It is a member of metallophthalocyanines, an arenesulfonic acid and a copper coordination entity. It is a conjugate acid of a Luxol fast blue MBS(2-)."}]