Showing structure for CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@H]3[C@H](CC[C@@]21C)[C@@]1(C)CC=C(O[Si](C)(C)C(C)(C)C)C=C1C[C@H]3O[Si](C)(C)C(C)(C)C