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