[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][O][C@@][Branch2][Ring2][P][C][C@H1][Branch1][=C][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][O][C@@][Branch2][Ring1][=Branch1][C][C@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a disaccharide derivative consisting of a 3-deoxy-alpha-D-manno-oct-2-ulopyranonosyl unit joined via an alpha-(2->4)-linkage to a 5,6-dehydro-3-deoxy-alpha-D-manno-oct-2-ulopyranonosyl unit with an O-allyl group at the anomeric centre."}]