[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][O][C@H1][C@@H1][Branch2][Ring2][#Branch1][C@H1][Branch2][Ring2][C][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][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]"}, {"from": "gpt", "value": "The molecule is a disaccharide derivative that is beta-lactose in which the anomeric hydroxy hydrogen is replaced by a 4-nitrophenyl group. It has a role as a chromogenic compound. It is a glycoside, a C-nitro compound and a disaccharide derivative. It is functionally related to a beta-lactose and a 4-nitrophenol."}]