Showing structure for C=C(CCCC(C)(C)C(=O)/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)\C=C\C1=C(C)CC(O[Si](C)(C)C)CC1(C)C)O[Si](C)(C)C