Showing structure for COC1=CC(C2OC3=C(O[Si](C)(C)C)C=CC(C4OC5=CC(O[Si](C)(C)C)=CC(O[Si](C)(C)C)=C5C(=O)C4O[Si](C)(C)C)=C3C2CO)=CC=C1O[Si](C)(C)C