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=C(C)C(O[Si](C)(C)C)=C(O[Si](C)(C)C)CC2(C)C)C(C)(C)CC(O[Si](C)(C)C)=C1O[Si](C)(C)C