Showing structure for CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1C/C(=C\C=N/[C@@H](CC2=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C2)C(=O)O)C=C(C(=O)O)N1