Showing structure for C[Si](C)(C)OC1=CC=CC2=C1C(=O)C1=C3C(=O)C4=CC=CC(O[Si](C)(C)C)=C4C(=O)C3=C3C(=O)C4=CC=CC(O)=C4C(=O)C3=C1C2=O