Showing structure for CC1=C(C#C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2(O)C(C)(C)CC(O[Si](C)(C)C)CC2(C)O[Si](C)(C)C)C(C)(C)CC(O[Si](C)(C)C)C1