[{"from": "human", "value": "Describe this molecule. [C][C][N][Branch1][Ring1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch2][/C][=C][/C][=C][Branch2][Ring1][Ring1][C][=N+1][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][C][C][C][C][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an iminium betaine that consists of 4-{2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]ethenyl}pyridine-3-sulfonate carryiing a 5-carboxypentyl substituent on the pyridine nitrogen. It has a role as a fluorochrome. It is an iminium betaine and an aminochromene."}]