Showing structure for C[Si](C)(C)OC1C(OC(=O)C2=CC(S(=O)(=O)N([Si](C)(C)C)[Si](C)(C)C)=C(Cl)C=C2N(CC2=CC=CO2)[Si](C)(C)C)OC(C(=O)O)C(O[Si](C)(C)C)C1O