[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][C][=C][C][=C][C][=Branch2][=Branch2][Ring1][=C][C][=Branch2][Ring1][C][=C][Ring1][=Branch1][C][=Branch1][O][=C][Ring1][#Branch2][C][=Branch1][C][=O][O][Ring1][#C][O][O][C@H1][C@@H1][Branch2][#Branch1][=Branch1][C@H1][Branch2][=Branch1][P][C@@H1][Branch2][=Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][C@H1][C@@H1][Branch2][Branch1][=C][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Ring2][Branch2][C@H1][Branch2][Ring2][Ring1][C@@H1][Branch2][Ring1][=C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][O][O][O][O][O][O][O][O][C]"}, {"from": "gpt", "value": "The molecule is an organic heterotricyclic compound that is 9,10-dihydroxy-7-methoxy-3-methyl-1H-benzo[g]isochromen-1-one attached to a tetrasaccharide residue at position 9 via a glycosidic linkage. Isolated from Cassia obtusifolia, it exhibits anti-allergic activity. It has a role as a metabolite and a histamine antagonist. It is a member of isochromenes, a member of phenols, an aromatic ether, an organic heterotricyclic compound, a delta-lactone and a tetrasaccharide derivative."}]