[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a phosphatidylinositol where the 1- and 2-O-acyl groups are hexadecanoyl and heptadecanoyl respectively. It has a role as an epitope."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch2][Ring1][=Branch1][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@@H1][Branch1][P][C@H1][Branch1][=N][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][O][O]"}]