[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a L-alpha-D-Hepp-(1->7)-L-alpha-D-Hepp-(1->3)-L-alpha-D-Hepp-(1->5)-alpha-Kdo."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C]"}]