[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][C][=C][Branch1][=Branch2][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2][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]"}, {"from": "gpt", "value": "The molecule is a beta-D-galactoside having a 2-naphthyl substituent at the anomeric position. It has a role as a chromogenic compound. It is functionally related to a 2-naphthol."}]