[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][=Branch1][Ring1][C@H1][Branch2][Branch1][=C][C@@H1][Branch2][Branch1][=Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][#Branch1][C@@H1][Branch2][Ring1][P][O][C@@H1][Branch2][Ring1][#Branch2][C@H1][Ring1][=Branch1][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][C][O][O][C][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a methyl glycoside that is alpha-L-Fucp-(1->3)-[beta-D-Glcp-(1->4)]-beta-D-GlcpNAc (Le(x)) in which the hydroxy group at the reducing-end anomeric centre is methylated. It is a methyl glycoside and a trisaccharide derivative."}]