[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 1,2-diacyl-sn-glycero-3-phosphosulfocholine where the two phosphatidyl acyl groups are specified as tetradecanoyl (myristoyl). It has a role as an antigen. It is a 1,2-diacyl-sn-glycero-3-phosphosulfocholine and a tetradecanoate ester."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][S+1][Branch1][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C]"}]