Showing structure for C[Si](C)(C)OCC1OC(OC2=CC=C(C#CCC=CC3=CC=C(OC4OC(CO[Si](C)(C)C)C(O)C(O[Si](C)(C)C)C4O)C(O)=C3)C=C2O[Si](C)(C)C)C(O)C(O)C1O