[{"from": "human", "value": "What can you tell me about this molecule? [C][C@H1][C@H1][Branch2][Branch1][=Branch2][C@H1][Branch2][Branch1][Ring2][C@@H1][Branch2][Ring2][#C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@H1][Branch2][Ring1][P][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C@@H1][C@H1][Branch1][=C][O][C][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a trisaccharide that is lactose in which the hydroxy group at position 4 of the galactose ring has been converted into its alpha-L-fucopyranosyl derivative. It is functionally related to a lactose."}]