[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a lanosteryl ester. It has a role as a Saccharomyces cerevisiae metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@][Branch2][Ring2][S][C@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][C][C][C][=C][Ring1][=Branch2][C][C][C@][Branch2][Ring1][=Branch2][C@][Ring1][=Branch1][Branch2][Ring1][C][C][C][C@@H1][Ring1][Branch1][C@H1][Branch1][C][C][C][C][C][=C][Branch1][C][C][C][C][C][C]"}]