[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a polyanionic polymer obtained by deprotonation of the carboxy groups of [(2->6)-alpha-D-glucosyl-(1->4)-N,O(7)-diacetyl-alpha-D-neuraminosyl]n; major species at pH 7.3."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][P][C][C@@][Branch2][Ring1][Ring2][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][C][=Branch1][C][=O][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][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]"}]