[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][#Branch1][=Branch1][C@@H1][Branch2][Branch1][N][C@H1][Branch1][O][O][C@H1][Ring1][=Branch1][O][C][C][N][=N+1][=N-1][C][O][C@H1][C@@H1][Branch2][Ring2][#Branch1][C@H1][Branch2][Ring2][C][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][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][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]"}, {"from": "gpt", "value": "The molecule is a beta-D-glucoside that is the 2-azidoethyl glycoside of a tetrasaccharide (Streptococcus pneumoniae serotype 14 tetrasaccharide) consisting of at the reducing end an N-acetyl-beta-D-glucosamine residue to which are linked (1->4) and (1->6) respectively a beta-D-glucose residue and a beta-D-galactosyl-(1->4)-beta-D-glucosyl disaccharide unit. It has a role as an antigen. It is a beta-D-glucoside, an azide and a tetrasaccharide derivative."}]