[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a branched tetrasaccharide consisting of beta-D-glucosyl, beta-D-mannosyl and beta-D-glucosyl residues linked sequentially (1->4), to the mannosyl residue of which has also linked (1->3) to it an alpha-D-glucuronosyl residue. It has a role as an antigen."}, {"from": "gpt", "value": "[C][Branch2][#Branch1][#Branch2][C@@H1][C@H1][Branch2][#Branch1][Ring2][C@@H1][Branch2][=Branch1][#C][C@H1][Branch2][=Branch1][#Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Branch1][N][O][C@H1][Branch2][Ring2][Ring1][C@H1][Branch2][Ring1][=C][C@H1][Ring1][=Branch1][O][C@@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][O][O][O][C@@H1][C@H1][Branch1][=C][O][C@@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][O][O][O][O]"}]