Showing structure for CN(C)[C@@H]1C(O)=C(C(=O)N[Si](C)(C)C(C)(C)C)C(=O)[C@@]2(O)C(=O)C3=C(O)C4=C(O)C=CC=C4[C@@](C)(O)[C@H]3[C@H](O)[C@@H]12