Showing structure for C[C@H]1CC[C@@]2(OC1)O[C@H]1C[C@H]3[C@@H]4CC[C@@H]5C[C@@H](O[Si](C)(C)C)CC[C@]5(C)[C@H]4CC[C@]3(C)[C@H]1[C@@H]2C