Showing structure for C[Si](C)(C)OC1=CC(C2CC(=O)C3=C(O[Si](C)(C)C)C=C(O)C(C4C(=O)C5=C(O)C=C(O)C=C5OC4C4=CC=C(O)C=C4)=C3O2)=CC=C1O