[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N+1][Branch1][C][C][Branch1][Ring1][C][C][C][C][C][N+1][=C][C][=C][Branch2][Ring1][N][C][=C][C][Ring1][=Branch1][=C][C][=C][C][=Branch1][S][=C][C][Ring1][=Branch1][=C][Ring1][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][N].[I-1].[I-1]"}, {"from": "gpt", "value": "The molecule is a fluorescent nucleic acid dye which binds only to double-stranded nucleic acids. It has a molecular weight of 668.4, an absorbance maximum of 535nm, and an emission maximum of 617 nm.  It is commonly used to determine the DNA content of a cell or to discriminate viable from non-viable cells."}]