Showing structure for CN(C)[C@@H]1C(O)=C(C(N)=O)C(=O)[C@@]2(O[Si](C)(C)C)C(O[Si](C)(C)C)=C3C(=O)C4=C(O[Si](C)(C)C)C=CC=C4[C@@](C)(O[Si](C)(C)C)[C@H]3C[C@@H]12