Showing structure for C=C(C)C(/C=C/C(C)C1CCC2C3=CCC4CC(OC5OC(CO[Si](C)(C)C)C(O[Si](C)(C)C)C(O[Si](C)(C)C)C5O[Si](C)(C)C)CCC4(C)C3CCC21C)CC