Showing structure for C[C@]12CC=C(O[Si](C)(C)C)C=C1CC[C@@H]1[C@@H]2C(O[Si](C)(C)C)=C[C@@]2(C)[C@H]1CC[C@]2(O[Si](C)(C)C)C(=CO)O[Si](C)(C)C