Showing structure for CC(C)=CCC1=C2OC34C(=CC5=C(O[Si](C)(C)C(C)(C)C)C3(C/C=C(/C)C(=O)O[Si](C)(C)C(C)(C)C)OC(C)(C)C4C5)C(=O)C2=C(O)C2=C1OC(C)(C)C=C2