Showing structure for CC(=O)OC1CC(C)(C)C(=C=C/C(C)=C/C=C/C=C/C=C(C)/C=C2/C=C(/C=C/C3(O)C(C)=CC(O[Si](C)(C)C)=CC3(C)C)C(=O)O2)C(C)(O)C1