Showing structure for C[Si](C)(C)OC1=CC=C(C2CC(=O)C3=C(O)C=C(O)C(C4C(=O)C5=C(C=C(O)C=C5O[Si](C)(C)C)OC4C4=CC=C(O)C=C4)=C3O2)C=C1O[Si](C)(C)C