Showing structure for C[Si](C)(C)OC1=CC2=C(CC(O)C(C3=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C4=C3C=C(C(=O)O)C=C(O[Si](C)(C)C)C4=O)O2)C(O[Si](C)(C)C)=C1