[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][Branch1][#Branch2][C@H1][Branch2][Branch1][Branch1][C@@H1][Branch2][Ring2][S][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch1][#C][C@@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][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][O]"}, {"from": "gpt", "value": "The molecule is a branched trisaccharidethat is alpha-L-fucopyranosyl-(1->2)-beta-D-glucopyranose in which the hydroxy group at position 3 of the glucopyranose moiety has been converted into the corresponding beta-D-galactopyranosyl derivative. It is functionally related to a beta-D-Galp-(1->3)-beta-D-Glcp."}]