Showing structure for CC(=CC(C)[C@H]1CC[C@@]2(C)[C@@H]3C(=O)C[C@@]45OC[C@]3(CC[C@]12C)[C@@H]4CC[C@H](O[Si](C)(C)C(C)(C)C)C5(C)C)O[Si](C)(C)C(C)(C)C