Showing structure for C[Si](C)(C)OC1=CC=C(/C=C(\OC2=CC(/C=C/C(=O)OC(CC3=CC=C(O)C(O[Si](C)(C)C)=C3)C(=O)O)=CC=C2O[Si](C)(C)C)C(=O)O)C=C1O